Home / 1,234,689.60-1,852,034.40-393,326.40

Finding the Fourth Proportional to 1,234,689.60, 1,852,034.40 and 393,326.40

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Solution

The fourth proportional to 1,234,689.60, 1,852,034.40 and 393,326.40 is: 589,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,689.60 : 1,852,034.40 = 393,326.40 : x
  2. Step 2: Convert to fraction form
    1,234,689.60/1,852,034.40 = 393,326.40/x
  3. Step 3: Cross multiply
    1,234,689.60x = 1,852,034.40 × 393,326.40
  4. Step 4: Simplify right side
    1,234,689.60x = 728,454,023,228.16
  5. Step 5: Solve for x
    x = 728,454,023,228.16/1,234,689.60
  6. Step 6: Final answer
    x = 589,989.60

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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.