Home / 998,501.40-1,497,752.10-555,269.40

Finding the Fourth Proportional to 998,501.40, 1,497,752.10 and 555,269.40

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Solution

The fourth proportional to 998,501.40, 1,497,752.10 and 555,269.40 is: 832,904.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,501.40 : 1,497,752.10 = 555,269.40 : x
  2. Step 2: Convert to fraction form
    998,501.40/1,497,752.10 = 555,269.40/x
  3. Step 3: Cross multiply
    998,501.40x = 1,497,752.10 × 555,269.40
  4. Step 4: Simplify right side
    998,501.40x = 831,655,909,915.74
  5. Step 5: Solve for x
    x = 831,655,909,915.74/998,501.40
  6. Step 6: Final answer
    x = 832,904.10

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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.