Home / 935,225.76-1,290,690.72-527,406.24

Finding the Fourth Proportional to 935,225.76, 1,290,690.72 and 527,406.24

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Solution

The fourth proportional to 935,225.76, 1,290,690.72 and 527,406.24 is: 727,865.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,225.76 : 1,290,690.72 = 527,406.24 : x
  2. Step 2: Convert to fraction form
    935,225.76/1,290,690.72 = 527,406.24/x
  3. Step 3: Cross multiply
    935,225.76x = 1,290,690.72 × 527,406.24
  4. Step 4: Simplify right side
    935,225.76x = 680,718,339,638.09
  5. Step 5: Solve for x
    x = 680,718,339,638.09/935,225.76
  6. Step 6: Final answer
    x = 727,865.26

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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.