Home / 1,012,215.64-1,396,936.38-559,548.76

Finding the Fourth Proportional to 1,012,215.64, 1,396,936.38 and 559,548.76

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Solution

The fourth proportional to 1,012,215.64, 1,396,936.38 and 559,548.76 is: 772,220.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,215.64 : 1,396,936.38 = 559,548.76 : x
  2. Step 2: Convert to fraction form
    1,012,215.64/1,396,936.38 = 559,548.76/x
  3. Step 3: Cross multiply
    1,012,215.64x = 1,396,936.38 × 559,548.76
  4. Step 4: Simplify right side
    1,012,215.64x = 781,654,019,227.89
  5. Step 5: Solve for x
    x = 781,654,019,227.89/1,012,215.64
  6. Step 6: Final answer
    x = 772,220.85

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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.