Home / 930,796.72-1,284,423.78-522,876.40

Finding the Fourth Proportional to 930,796.72, 1,284,423.78 and 522,876.40

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Solution

The fourth proportional to 930,796.72, 1,284,423.78 and 522,876.40 is: 721,526.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,796.72 : 1,284,423.78 = 522,876.40 : x
  2. Step 2: Convert to fraction form
    930,796.72/1,284,423.78 = 522,876.40/x
  3. Step 3: Cross multiply
    930,796.72x = 1,284,423.78 × 522,876.40
  4. Step 4: Simplify right side
    930,796.72x = 671,594,882,160.79
  5. Step 5: Solve for x
    x = 671,594,882,160.79/930,796.72
  6. Step 6: Final answer
    x = 721,526.91

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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.