Home / 638,525.12-958,410.96-527,338.04

Finding the Fourth Proportional to 638,525.12, 958,410.96 and 527,338.04

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Solution

The fourth proportional to 638,525.12, 958,410.96 and 527,338.04 is: 791,521.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,525.12 : 958,410.96 = 527,338.04 : x
  2. Step 2: Convert to fraction form
    638,525.12/958,410.96 = 527,338.04/x
  3. Step 3: Cross multiply
    638,525.12x = 958,410.96 × 527,338.04
  4. Step 4: Simplify right side
    638,525.12x = 505,406,552,368.86
  5. Step 5: Solve for x
    x = 505,406,552,368.86/638,525.12
  6. Step 6: Final answer
    x = 791,521.81

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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.