Home / 895,050.13-1,235,179.26-487,154.56

Finding the Fourth Proportional to 895,050.13, 1,235,179.26 and 487,154.56

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Solution

The fourth proportional to 895,050.13, 1,235,179.26 and 487,154.56 is: 672,278.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,050.13 : 1,235,179.26 = 487,154.56 : x
  2. Step 2: Convert to fraction form
    895,050.13/1,235,179.26 = 487,154.56/x
  3. Step 3: Cross multiply
    895,050.13x = 1,235,179.26 × 487,154.56
  4. Step 4: Simplify right side
    895,050.13x = 601,723,208,926.43
  5. Step 5: Solve for x
    x = 601,723,208,926.43/895,050.13
  6. Step 6: Final answer
    x = 672,278.78

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Double scale
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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.