Home / 651,175.20-976,762.80-177,908.40

Finding the Fourth Proportional to 651,175.20, 976,762.80 and 177,908.40

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Solution

The fourth proportional to 651,175.20, 976,762.80 and 177,908.40 is: 266,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,175.20 : 976,762.80 = 177,908.40 : x
  2. Step 2: Convert to fraction form
    651,175.20/976,762.80 = 177,908.40/x
  3. Step 3: Cross multiply
    651,175.20x = 976,762.80 × 177,908.40
  4. Step 4: Simplify right side
    651,175.20x = 173,774,306,927.52
  5. Step 5: Solve for x
    x = 173,774,306,927.52/651,175.20
  6. Step 6: Final answer
    x = 266,862.60

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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.