Home / 528,077.40-792,116.10-173,127.30

Finding the Fourth Proportional to 528,077.40, 792,116.10 and 173,127.30

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Solution

The fourth proportional to 528,077.40, 792,116.10 and 173,127.30 is: 259,690.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,077.40 : 792,116.10 = 173,127.30 : x
  2. Step 2: Convert to fraction form
    528,077.40/792,116.10 = 173,127.30/x
  3. Step 3: Cross multiply
    528,077.40x = 792,116.10 × 173,127.30
  4. Step 4: Simplify right side
    528,077.40x = 137,136,921,679.53
  5. Step 5: Solve for x
    x = 137,136,921,679.53/528,077.40
  6. Step 6: Final answer
    x = 259,690.95

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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.