Home / 514,765.86-772,114.91-177,811.34

Finding the Fourth Proportional to 514,765.86, 772,114.91 and 177,811.34

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Solution

The fourth proportional to 514,765.86, 772,114.91 and 177,811.34 is: 266,705.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,765.86 : 772,114.91 = 177,811.34 : x
  2. Step 2: Convert to fraction form
    514,765.86/772,114.91 = 177,811.34/x
  3. Step 3: Cross multiply
    514,765.86x = 772,114.91 × 177,811.34
  4. Step 4: Simplify right side
    514,765.86x = 137,290,782,031.45
  5. Step 5: Solve for x
    x = 137,290,782,031.45/514,765.86
  6. Step 6: Final answer
    x = 266,705.30

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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.