Home / 1,234,704.10-1,852,056.15-393,340.90

Finding the Fourth Proportional to 1,234,704.10, 1,852,056.15 and 393,340.90

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Solution

The fourth proportional to 1,234,704.10, 1,852,056.15 and 393,340.90 is: 590,011.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,704.10 : 1,852,056.15 = 393,340.90 : x
  2. Step 2: Convert to fraction form
    1,234,704.10/1,852,056.15 = 393,340.90/x
  3. Step 3: Cross multiply
    1,234,704.10x = 1,852,056.15 × 393,340.90
  4. Step 4: Simplify right side
    1,234,704.10x = 728,489,432,891.54
  5. Step 5: Solve for x
    x = 728,489,432,891.54/1,234,704.10
  6. Step 6: Final answer
    x = 590,011.35

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.