Home / 1,022,687.32-1,534,031.10-312,715.38

Finding the Fourth Proportional to 1,022,687.32, 1,534,031.10 and 312,715.38

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Solution

The fourth proportional to 1,022,687.32, 1,534,031.10 and 312,715.38 is: 469,073.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,687.32 : 1,534,031.10 = 312,715.38 : x
  2. Step 2: Convert to fraction form
    1,022,687.32/1,534,031.10 = 312,715.38/x
  3. Step 3: Cross multiply
    1,022,687.32x = 1,534,031.10 × 312,715.38
  4. Step 4: Simplify right side
    1,022,687.32x = 479,715,118,368.32
  5. Step 5: Solve for x
    x = 479,715,118,368.32/1,022,687.32
  6. Step 6: Final answer
    x = 469,073.11

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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.