Home / 710,864.40-1,065,434.40-522,125.76

Finding the Fourth Proportional to 710,864.40, 1,065,434.40 and 522,125.76

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Solution

The fourth proportional to 710,864.40, 1,065,434.40 and 522,125.76 is: 782,555.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,864.40 : 1,065,434.40 = 522,125.76 : x
  2. Step 2: Convert to fraction form
    710,864.40/1,065,434.40 = 522,125.76/x
  3. Step 3: Cross multiply
    710,864.40x = 1,065,434.40 × 522,125.76
  4. Step 4: Simplify right side
    710,864.40x = 556,290,745,830.14
  5. Step 5: Solve for x
    x = 556,290,745,830.14/710,864.40
  6. Step 6: Final answer
    x = 782,555.36

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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.