Home / 1,011,984-1,396,519.20-559,265.28

Finding the Fourth Proportional to 1,011,984, 1,396,519.20 and 559,265.28

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Solution

The fourth proportional to 1,011,984, 1,396,519.20 and 559,265.28 is: 771,775.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,984 : 1,396,519.20 = 559,265.28 : x
  2. Step 2: Convert to fraction form
    1,011,984/1,396,519.20 = 559,265.28/x
  3. Step 3: Cross multiply
    1,011,984x = 1,396,519.20 × 559,265.28
  4. Step 4: Simplify right side
    1,011,984x = 781,024,701,413.38
  5. Step 5: Solve for x
    x = 781,024,701,413.38/1,011,984
  6. Step 6: Final answer
    x = 771,775.74

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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.