Home / 578,053.40-867,080.10-157,328.60

Finding the Fourth Proportional to 578,053.40, 867,080.10 and 157,328.60

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Solution

The fourth proportional to 578,053.40, 867,080.10 and 157,328.60 is: 235,992.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,053.40 : 867,080.10 = 157,328.60 : x
  2. Step 2: Convert to fraction form
    578,053.40/867,080.10 = 157,328.60/x
  3. Step 3: Cross multiply
    578,053.40x = 867,080.10 × 157,328.60
  4. Step 4: Simplify right side
    578,053.40x = 136,416,498,220.86
  5. Step 5: Solve for x
    x = 136,416,498,220.86/578,053.40
  6. Step 6: Final answer
    x = 235,992.90

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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.