Home / 434,554.20-651,831.30-247,930.20

Finding the Fourth Proportional to 434,554.20, 651,831.30 and 247,930.20

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Solution

The fourth proportional to 434,554.20, 651,831.30 and 247,930.20 is: 371,895.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,554.20 : 651,831.30 = 247,930.20 : x
  2. Step 2: Convert to fraction form
    434,554.20/651,831.30 = 247,930.20/x
  3. Step 3: Cross multiply
    434,554.20x = 651,831.30 × 247,930.20
  4. Step 4: Simplify right side
    434,554.20x = 161,608,664,575.26
  5. Step 5: Solve for x
    x = 161,608,664,575.26/434,554.20
  6. Step 6: Final answer
    x = 371,895.30

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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.