Home / 488,729.20-732,875.10-222,352.60

Finding the Fourth Proportional to 488,729.20, 732,875.10 and 222,352.60

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Solution

The fourth proportional to 488,729.20, 732,875.10 and 222,352.60 is: 333,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,729.20 : 732,875.10 = 222,352.60 : x
  2. Step 2: Convert to fraction form
    488,729.20/732,875.10 = 222,352.60/x
  3. Step 3: Cross multiply
    488,729.20x = 732,875.10 × 222,352.60
  4. Step 4: Simplify right side
    488,729.20x = 162,956,683,960.26
  5. Step 5: Solve for x
    x = 162,956,683,960.26/488,729.20
  6. Step 6: Final answer
    x = 333,429.40

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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.