Home / 1,022,385.65-1,532,539.51-423,672.53

Finding the Fourth Proportional to 1,022,385.65, 1,532,539.51 and 423,672.53

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Solution

The fourth proportional to 1,022,385.65, 1,532,539.51 and 423,672.53 is: 635,078.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,385.65 : 1,532,539.51 = 423,672.53 : x
  2. Step 2: Convert to fraction form
    1,022,385.65/1,532,539.51 = 423,672.53/x
  3. Step 3: Cross multiply
    1,022,385.65x = 1,532,539.51 × 423,672.53
  4. Step 4: Simplify right side
    1,022,385.65x = 649,294,882,804.78
  5. Step 5: Solve for x
    x = 649,294,882,804.78/1,022,385.65
  6. Step 6: Final answer
    x = 635,078.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.