Home / 998,501.40-1,497,752.10-620,587.80

Finding the Fourth Proportional to 998,501.40, 1,497,752.10 and 620,587.80

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Solution

The fourth proportional to 998,501.40, 1,497,752.10 and 620,587.80 is: 930,881.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,501.40 : 1,497,752.10 = 620,587.80 : x
  2. Step 2: Convert to fraction form
    998,501.40/1,497,752.10 = 620,587.80/x
  3. Step 3: Cross multiply
    998,501.40x = 1,497,752.10 × 620,587.80
  4. Step 4: Simplify right side
    998,501.40x = 929,486,680,684.38
  5. Step 5: Solve for x
    x = 929,486,680,684.38/998,501.40
  6. Step 6: Final answer
    x = 930,881.70

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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.