Home / 998,116.20-1,497,239.10-525,724.20

Finding the Fourth Proportional to 998,116.20, 1,497,239.10 and 525,724.20

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Solution

The fourth proportional to 998,116.20, 1,497,239.10 and 525,724.20 is: 788,620.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,116.20 : 1,497,239.10 = 525,724.20 : x
  2. Step 2: Convert to fraction form
    998,116.20/1,497,239.10 = 525,724.20/x
  3. Step 3: Cross multiply
    998,116.20x = 1,497,239.10 × 525,724.20
  4. Step 4: Simplify right side
    998,116.20x = 787,134,828,056.22
  5. Step 5: Solve for x
    x = 787,134,828,056.22/998,116.20
  6. Step 6: Final answer
    x = 788,620.43

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Half scale
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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.