Home / 741,716.46-1,023,569.15-402,184.71

Finding the Fourth Proportional to 741,716.46, 1,023,569.15 and 402,184.71

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Solution

The fourth proportional to 741,716.46, 1,023,569.15 and 402,184.71 is: 555,015.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,716.46 : 1,023,569.15 = 402,184.71 : x
  2. Step 2: Convert to fraction form
    741,716.46/1,023,569.15 = 402,184.71/x
  3. Step 3: Cross multiply
    741,716.46x = 1,023,569.15 × 402,184.71
  4. Step 4: Simplify right side
    741,716.46x = 411,663,859,746.77
  5. Step 5: Solve for x
    x = 411,663,859,746.77/741,716.46
  6. Step 6: Final answer
    x = 555,015.13

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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.