Home / 895,445.20-1,235,674.20-487,536.76

Finding the Fourth Proportional to 895,445.20, 1,235,674.20 and 487,536.76

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Solution

The fourth proportional to 895,445.20, 1,235,674.20 and 487,536.76 is: 672,778.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,445.20 : 1,235,674.20 = 487,536.76 : x
  2. Step 2: Convert to fraction form
    895,445.20/1,235,674.20 = 487,536.76/x
  3. Step 3: Cross multiply
    895,445.20x = 1,235,674.20 × 487,536.76
  4. Step 4: Simplify right side
    895,445.20x = 602,436,595,883.59
  5. Step 5: Solve for x
    x = 602,436,595,883.59/895,445.20
  6. Step 6: Final answer
    x = 672,778.85

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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.