Home / 895,341.11-1,235,578.19-487,445.76

Finding the Fourth Proportional to 895,341.11, 1,235,578.19 and 487,445.76

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Solution

The fourth proportional to 895,341.11, 1,235,578.19 and 487,445.76 is: 672,679.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,341.11 : 1,235,578.19 = 487,445.76 : x
  2. Step 2: Convert to fraction form
    895,341.11/1,235,578.19 = 487,445.76/x
  3. Step 3: Cross multiply
    895,341.11x = 1,235,578.19 × 487,445.76
  4. Step 4: Simplify right side
    895,341.11x = 602,277,347,426.75
  5. Step 5: Solve for x
    x = 602,277,347,426.75/895,341.11
  6. Step 6: Final answer
    x = 672,679.21

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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.