Home / 1,011,386.79-1,516,572.32-337,229.46

Finding the Fourth Proportional to 1,011,386.79, 1,516,572.32 and 337,229.46

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Solution

The fourth proportional to 1,011,386.79, 1,516,572.32 and 337,229.46 is: 505,674.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,386.79 : 1,516,572.32 = 337,229.46 : x
  2. Step 2: Convert to fraction form
    1,011,386.79/1,516,572.32 = 337,229.46/x
  3. Step 3: Cross multiply
    1,011,386.79x = 1,516,572.32 × 337,229.46
  4. Step 4: Simplify right side
    1,011,386.79x = 511,432,862,838.40
  5. Step 5: Solve for x
    x = 511,432,862,838.40/1,011,386.79
  6. Step 6: Final answer
    x = 505,674.85

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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.