Home / 616,219.20-923,016.60-498,121.20

Finding the Fourth Proportional to 616,219.20, 923,016.60 and 498,121.20

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Solution

The fourth proportional to 616,219.20, 923,016.60 and 498,121.20 is: 746,121.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,219.20 : 923,016.60 = 498,121.20 : x
  2. Step 2: Convert to fraction form
    616,219.20/923,016.60 = 498,121.20/x
  3. Step 3: Cross multiply
    616,219.20x = 923,016.60 × 498,121.20
  4. Step 4: Simplify right side
    616,219.20x = 459,774,136,411.92
  5. Step 5: Solve for x
    x = 459,774,136,411.92/616,219.20
  6. Step 6: Final answer
    x = 746,121.08

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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.