Home / 653,823.60-980,735.40-233,113.20

Finding the Fourth Proportional to 653,823.60, 980,735.40 and 233,113.20

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Solution

The fourth proportional to 653,823.60, 980,735.40 and 233,113.20 is: 349,669.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,823.60 : 980,735.40 = 233,113.20 : x
  2. Step 2: Convert to fraction form
    653,823.60/980,735.40 = 233,113.20/x
  3. Step 3: Cross multiply
    653,823.60x = 980,735.40 × 233,113.20
  4. Step 4: Simplify right side
    653,823.60x = 228,622,367,447.28
  5. Step 5: Solve for x
    x = 228,622,367,447.28/653,823.60
  6. Step 6: Final answer
    x = 349,669.80

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Half scale
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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.