Home / 895,172.32-1,235,353.56-487,285.88

Finding the Fourth Proportional to 895,172.32, 1,235,353.56 and 487,285.88

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Solution

The fourth proportional to 895,172.32, 1,235,353.56 and 487,285.88 is: 672,463.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,172.32 : 1,235,353.56 = 487,285.88 : x
  2. Step 2: Convert to fraction form
    895,172.32/1,235,353.56 = 487,285.88/x
  3. Step 3: Cross multiply
    895,172.32x = 1,235,353.56 × 487,285.88
  4. Step 4: Simplify right side
    895,172.32x = 601,970,344,159.30
  5. Step 5: Solve for x
    x = 601,970,344,159.30/895,172.32
  6. Step 6: Final answer
    x = 672,463.09

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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.