Home / 664,456.20-996,684.30-625,090.20

Finding the Fourth Proportional to 664,456.20, 996,684.30 and 625,090.20

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Solution

The fourth proportional to 664,456.20, 996,684.30 and 625,090.20 is: 937,635.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,456.20 : 996,684.30 = 625,090.20 : x
  2. Step 2: Convert to fraction form
    664,456.20/996,684.30 = 625,090.20/x
  3. Step 3: Cross multiply
    664,456.20x = 996,684.30 × 625,090.20
  4. Step 4: Simplify right side
    664,456.20x = 623,017,588,423.86
  5. Step 5: Solve for x
    x = 623,017,588,423.86/664,456.20
  6. Step 6: Final answer
    x = 937,635.30

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Half scale
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Double scale
Find fourth proportional to 664,457.20, 996,685.80 and 625,091.20
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.