Home / 653,826.10-980,739.15-233,115.70

Finding the Fourth Proportional to 653,826.10, 980,739.15 and 233,115.70

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Solution

The fourth proportional to 653,826.10, 980,739.15 and 233,115.70 is: 349,673.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,826.10 : 980,739.15 = 233,115.70 : x
  2. Step 2: Convert to fraction form
    653,826.10/980,739.15 = 233,115.70/x
  3. Step 3: Cross multiply
    653,826.10x = 980,739.15 × 233,115.70
  4. Step 4: Simplify right side
    653,826.10x = 228,625,693,469.66
  5. Step 5: Solve for x
    x = 228,625,693,469.66/653,826.10
  6. Step 6: Final answer
    x = 349,673.55

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Half scale
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Double scale
Find fourth proportional to 653,827.10, 980,740.65 and 233,116.70
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.