Home / 935,655.48-1,291,155.18-527,745.72

Finding the Fourth Proportional to 935,655.48, 1,291,155.18 and 527,745.72

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Solution

The fourth proportional to 935,655.48, 1,291,155.18 and 527,745.72 is: 728,261.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,655.48 : 1,291,155.18 = 527,745.72 : x
  2. Step 2: Convert to fraction form
    935,655.48/1,291,155.18 = 527,745.72/x
  3. Step 3: Cross multiply
    935,655.48x = 1,291,155.18 × 527,745.72
  4. Step 4: Simplify right side
    935,655.48x = 681,401,620,100.83
  5. Step 5: Solve for x
    x = 681,401,620,100.83/935,655.48
  6. Step 6: Final answer
    x = 728,261.24

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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.