Home / 653,541.60-980,312.40-232,831.20

Finding the Fourth Proportional to 653,541.60, 980,312.40 and 232,831.20

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Solution

The fourth proportional to 653,541.60, 980,312.40 and 232,831.20 is: 349,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,541.60 : 980,312.40 = 232,831.20 : x
  2. Step 2: Convert to fraction form
    653,541.60/980,312.40 = 232,831.20/x
  3. Step 3: Cross multiply
    653,541.60x = 980,312.40 × 232,831.20
  4. Step 4: Simplify right side
    653,541.60x = 228,247,312,466.88
  5. Step 5: Solve for x
    x = 228,247,312,466.88/653,541.60
  6. Step 6: Final answer
    x = 349,246.80

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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.