Home / 723,208.40-1,087,145.40-514,293.20

Finding the Fourth Proportional to 723,208.40, 1,087,145.40 and 514,293.20

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Solution

The fourth proportional to 723,208.40, 1,087,145.40 and 514,293.20 is: 773,098.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,208.40 : 1,087,145.40 = 514,293.20 : x
  2. Step 2: Convert to fraction form
    723,208.40/1,087,145.40 = 514,293.20/x
  3. Step 3: Cross multiply
    723,208.40x = 1,087,145.40 × 514,293.20
  4. Step 4: Simplify right side
    723,208.40x = 559,111,486,631.28
  5. Step 5: Solve for x
    x = 559,111,486,631.28/723,208.40
  6. Step 6: Final answer
    x = 773,098.72

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Double scale
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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.