Home / 710,057.01-1,065,614.49-521,005.89

Finding the Fourth Proportional to 710,057.01, 1,065,614.49 and 521,005.89

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Solution

The fourth proportional to 710,057.01, 1,065,614.49 and 521,005.89 is: 781,896.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,057.01 : 1,065,614.49 = 521,005.89 : x
  2. Step 2: Convert to fraction form
    710,057.01/1,065,614.49 = 521,005.89/x
  3. Step 3: Cross multiply
    710,057.01x = 1,065,614.49 × 521,005.89
  4. Step 4: Simplify right side
    710,057.01x = 555,191,425,759.35
  5. Step 5: Solve for x
    x = 555,191,425,759.35/710,057.01
  6. Step 6: Final answer
    x = 781,896.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.