Home / 895,451.64-1,235,681.91-487,552.20

Finding the Fourth Proportional to 895,451.64, 1,235,681.91 and 487,552.20

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Solution

The fourth proportional to 895,451.64, 1,235,681.91 and 487,552.20 is: 672,799.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,451.64 : 1,235,681.91 = 487,552.20 : x
  2. Step 2: Convert to fraction form
    895,451.64/1,235,681.91 = 487,552.20/x
  3. Step 3: Cross multiply
    895,451.64x = 1,235,681.91 × 487,552.20
  4. Step 4: Simplify right side
    895,451.64x = 602,459,433,720.70
  5. Step 5: Solve for x
    x = 602,459,433,720.70/895,451.64
  6. Step 6: Final answer
    x = 672,799.52

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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.