Home / 935,871.64-1,291,502.86-506,151.76

Finding the Fourth Proportional to 935,871.64, 1,291,502.86 and 506,151.76

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Solution

The fourth proportional to 935,871.64, 1,291,502.86 and 506,151.76 is: 698,489.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,871.64 : 1,291,502.86 = 506,151.76 : x
  2. Step 2: Convert to fraction form
    935,871.64/1,291,502.86 = 506,151.76/x
  3. Step 3: Cross multiply
    935,871.64x = 1,291,502.86 × 506,151.76
  4. Step 4: Simplify right side
    935,871.64x = 653,696,445,634.03
  5. Step 5: Solve for x
    x = 653,696,445,634.03/935,871.64
  6. Step 6: Final answer
    x = 698,489.43

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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.