Home / 935,275.65-1,290,570.71-527,353.20

Finding the Fourth Proportional to 935,275.65, 1,290,570.71 and 527,353.20

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Solution

The fourth proportional to 935,275.65, 1,290,570.71 and 527,353.20 is: 727,685.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,275.65 : 1,290,570.71 = 527,353.20 : x
  2. Step 2: Convert to fraction form
    935,275.65/1,290,570.71 = 527,353.20/x
  3. Step 3: Cross multiply
    935,275.65x = 1,290,570.71 × 527,353.20
  4. Step 4: Simplify right side
    935,275.65x = 680,586,591,108.01
  5. Step 5: Solve for x
    x = 680,586,591,108.01/935,275.65
  6. Step 6: Final answer
    x = 727,685.57

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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.