Home / 1,234,702.60-1,852,053.90-393,339.40

Finding the Fourth Proportional to 1,234,702.60, 1,852,053.90 and 393,339.40

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Solution

The fourth proportional to 1,234,702.60, 1,852,053.90 and 393,339.40 is: 590,009.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,702.60 : 1,852,053.90 = 393,339.40 : x
  2. Step 2: Convert to fraction form
    1,234,702.60/1,852,053.90 = 393,339.40/x
  3. Step 3: Cross multiply
    1,234,702.60x = 1,852,053.90 × 393,339.40
  4. Step 4: Simplify right side
    1,234,702.60x = 728,485,769,793.66
  5. Step 5: Solve for x
    x = 728,485,769,793.66/1,234,702.60
  6. Step 6: Final answer
    x = 590,009.10

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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.