Home / 1,117,528.18-1,542,143.30-634,082.92

Finding the Fourth Proportional to 1,117,528.18, 1,542,143.30 and 634,082.92

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Solution

The fourth proportional to 1,117,528.18, 1,542,143.30 and 634,082.92 is: 875,008.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,528.18 : 1,542,143.30 = 634,082.92 : x
  2. Step 2: Convert to fraction form
    1,117,528.18/1,542,143.30 = 634,082.92/x
  3. Step 3: Cross multiply
    1,117,528.18x = 1,542,143.30 × 634,082.92
  4. Step 4: Simplify right side
    1,117,528.18x = 977,846,719,011.72
  5. Step 5: Solve for x
    x = 977,846,719,011.72/1,117,528.18
  6. Step 6: Final answer
    x = 875,008.56

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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.