Home / 935,869.64-1,291,500.10-506,149.77

Finding the Fourth Proportional to 935,869.64, 1,291,500.10 and 506,149.77

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Solution

The fourth proportional to 935,869.64, 1,291,500.10 and 506,149.77 is: 698,486.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,869.64 : 1,291,500.10 = 506,149.77 : x
  2. Step 2: Convert to fraction form
    935,869.64/1,291,500.10 = 506,149.77/x
  3. Step 3: Cross multiply
    935,869.64x = 1,291,500.10 × 506,149.77
  4. Step 4: Simplify right side
    935,869.64x = 653,692,472,112.48
  5. Step 5: Solve for x
    x = 653,692,472,112.48/935,869.64
  6. Step 6: Final answer
    x = 698,486.68

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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.