Home / 935,283.12-1,290,642.30-527,373.60

Finding the Fourth Proportional to 935,283.12, 1,290,642.30 and 527,373.60

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Solution

The fourth proportional to 935,283.12, 1,290,642.30 and 527,373.60 is: 727,748.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,283.12 : 1,290,642.30 = 527,373.60 : x
  2. Step 2: Convert to fraction form
    935,283.12/1,290,642.30 = 527,373.60/x
  3. Step 3: Cross multiply
    935,283.12x = 1,290,642.30 × 527,373.60
  4. Step 4: Simplify right side
    935,283.12x = 680,650,676,063.28
  5. Step 5: Solve for x
    x = 680,650,676,063.28/935,283.12
  6. Step 6: Final answer
    x = 727,748.27

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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.