Home / 489,226.40-733,839.60-173,715.20

Finding the Fourth Proportional to 489,226.40, 733,839.60 and 173,715.20

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Solution

The fourth proportional to 489,226.40, 733,839.60 and 173,715.20 is: 260,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,226.40 : 733,839.60 = 173,715.20 : x
  2. Step 2: Convert to fraction form
    489,226.40/733,839.60 = 173,715.20/x
  3. Step 3: Cross multiply
    489,226.40x = 733,839.60 × 173,715.20
  4. Step 4: Simplify right side
    489,226.40x = 127,479,092,881.92
  5. Step 5: Solve for x
    x = 127,479,092,881.92/489,226.40
  6. Step 6: Final answer
    x = 260,572.80

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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.