Home / 925,655.40-1,277,522.76-517,779.90

Finding the Fourth Proportional to 925,655.40, 1,277,522.76 and 517,779.90

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Solution

The fourth proportional to 925,655.40, 1,277,522.76 and 517,779.90 is: 714,602.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,655.40 : 1,277,522.76 = 517,779.90 : x
  2. Step 2: Convert to fraction form
    925,655.40/1,277,522.76 = 517,779.90/x
  3. Step 3: Cross multiply
    925,655.40x = 1,277,522.76 × 517,779.90
  4. Step 4: Simplify right side
    925,655.40x = 661,475,606,920.52
  5. Step 5: Solve for x
    x = 661,475,606,920.52/925,655.40
  6. Step 6: Final answer
    x = 714,602.44

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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.