Home / 985,958.91-1,360,685.52-556,082.19

Finding the Fourth Proportional to 985,958.91, 1,360,685.52 and 556,082.19

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Solution

The fourth proportional to 985,958.91, 1,360,685.52 and 556,082.19 is: 767,428.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,958.91 : 1,360,685.52 = 556,082.19 : x
  2. Step 2: Convert to fraction form
    985,958.91/1,360,685.52 = 556,082.19/x
  3. Step 3: Cross multiply
    985,958.91x = 1,360,685.52 × 556,082.19
  4. Step 4: Simplify right side
    985,958.91x = 756,652,983,862.89
  5. Step 5: Solve for x
    x = 756,652,983,862.89/985,958.91
  6. Step 6: Final answer
    x = 767,428.52

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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.