Home / 558,862.38-771,186.11-317,144.94

Finding the Fourth Proportional to 558,862.38, 771,186.11 and 317,144.94

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Solution

The fourth proportional to 558,862.38, 771,186.11 and 317,144.94 is: 437,635.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,862.38 : 771,186.11 = 317,144.94 : x
  2. Step 2: Convert to fraction form
    558,862.38/771,186.11 = 317,144.94/x
  3. Step 3: Cross multiply
    558,862.38x = 771,186.11 × 317,144.94
  4. Step 4: Simplify right side
    558,862.38x = 244,577,774,836.99
  5. Step 5: Solve for x
    x = 244,577,774,836.99/558,862.38
  6. Step 6: Final answer
    x = 437,635.07

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1.5x scale

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.