Home / 691,864.09-954,731.28-401,453.17

Finding the Fourth Proportional to 691,864.09, 954,731.28 and 401,453.17

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Solution

The fourth proportional to 691,864.09, 954,731.28 and 401,453.17 is: 553,981.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,864.09 : 954,731.28 = 401,453.17 : x
  2. Step 2: Convert to fraction form
    691,864.09/954,731.28 = 401,453.17/x
  3. Step 3: Cross multiply
    691,864.09x = 954,731.28 × 401,453.17
  4. Step 4: Simplify right side
    691,864.09x = 383,279,898,854.16
  5. Step 5: Solve for x
    x = 383,279,898,854.16/691,864.09
  6. Step 6: Final answer
    x = 553,981.49

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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.