Home / 734,743.92-1,013,946.12-412,454.64

Finding the Fourth Proportional to 734,743.92, 1,013,946.12 and 412,454.64

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Solution

The fourth proportional to 734,743.92, 1,013,946.12 and 412,454.64 is: 569,187.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,743.92 : 1,013,946.12 = 412,454.64 : x
  2. Step 2: Convert to fraction form
    734,743.92/1,013,946.12 = 412,454.64/x
  3. Step 3: Cross multiply
    734,743.92x = 1,013,946.12 × 412,454.64
  4. Step 4: Simplify right side
    734,743.92x = 418,206,781,904.00
  5. Step 5: Solve for x
    x = 418,206,781,904.00/734,743.92
  6. Step 6: Final answer
    x = 569,187.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.