Home / 895,901.12-1,236,343.64-493,493.12

Finding the Fourth Proportional to 895,901.12, 1,236,343.64 and 493,493.12

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Solution

The fourth proportional to 895,901.12, 1,236,343.64 and 493,493.12 is: 681,020.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,901.12 : 1,236,343.64 = 493,493.12 : x
  2. Step 2: Convert to fraction form
    895,901.12/1,236,343.64 = 493,493.12/x
  3. Step 3: Cross multiply
    895,901.12x = 1,236,343.64 × 493,493.12
  4. Step 4: Simplify right side
    895,901.12x = 610,127,080,295.76
  5. Step 5: Solve for x
    x = 610,127,080,295.76/895,901.12
  6. Step 6: Final answer
    x = 681,020.56

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Double scale
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Similar ratio
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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.