Home / 741,901.10-1,023,823.71-402,366.38

Finding the Fourth Proportional to 741,901.10, 1,023,823.71 and 402,366.38

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Solution

The fourth proportional to 741,901.10, 1,023,823.71 and 402,366.38 is: 555,265.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,901.10 : 1,023,823.71 = 402,366.38 : x
  2. Step 2: Convert to fraction form
    741,901.10/1,023,823.71 = 402,366.38/x
  3. Step 3: Cross multiply
    741,901.10x = 1,023,823.71 × 402,366.38
  4. Step 4: Simplify right side
    741,901.10x = 411,952,239,950.87
  5. Step 5: Solve for x
    x = 411,952,239,950.87/741,901.10
  6. Step 6: Final answer
    x = 555,265.71

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Double scale
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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.