Home / 935,714.42-1,291,256.76-527,810.30

Finding the Fourth Proportional to 935,714.42, 1,291,256.76 and 527,810.30

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Solution

The fourth proportional to 935,714.42, 1,291,256.76 and 527,810.30 is: 728,361.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,714.42 : 1,291,256.76 = 527,810.30 : x
  2. Step 2: Convert to fraction form
    935,714.42/1,291,256.76 = 527,810.30/x
  3. Step 3: Cross multiply
    935,714.42x = 1,291,256.76 × 527,810.30
  4. Step 4: Simplify right side
    935,714.42x = 681,538,617,872.63
  5. Step 5: Solve for x
    x = 681,538,617,872.63/935,714.42
  6. Step 6: Final answer
    x = 728,361.78

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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.