Home / 909,066.20-1,363,599.30-657,123.80

Finding the Fourth Proportional to 909,066.20, 1,363,599.30 and 657,123.80

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Solution

The fourth proportional to 909,066.20, 1,363,599.30 and 657,123.80 is: 985,685.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,066.20 : 1,363,599.30 = 657,123.80 : x
  2. Step 2: Convert to fraction form
    909,066.20/1,363,599.30 = 657,123.80/x
  3. Step 3: Cross multiply
    909,066.20x = 1,363,599.30 × 657,123.80
  4. Step 4: Simplify right side
    909,066.20x = 896,053,553,693.34
  5. Step 5: Solve for x
    x = 896,053,553,693.34/909,066.20
  6. Step 6: Final answer
    x = 985,685.70

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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.