Home / 930,864.17-1,284,597.71-522,983.21

Finding the Fourth Proportional to 930,864.17, 1,284,597.71 and 522,983.21

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Solution

The fourth proportional to 930,864.17, 1,284,597.71 and 522,983.21 is: 721,719.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,864.17 : 1,284,597.71 = 522,983.21 : x
  2. Step 2: Convert to fraction form
    930,864.17/1,284,597.71 = 522,983.21/x
  3. Step 3: Cross multiply
    930,864.17x = 1,284,597.71 × 522,983.21
  4. Step 4: Simplify right side
    930,864.17x = 671,823,033,934.45
  5. Step 5: Solve for x
    x = 671,823,033,934.45/930,864.17
  6. Step 6: Final answer
    x = 721,719.73

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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.