Home / 578,566.80-867,461.40-262,861.20

Finding the Fourth Proportional to 578,566.80, 867,461.40 and 262,861.20

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Solution

The fourth proportional to 578,566.80, 867,461.40 and 262,861.20 is: 394,115.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,566.80 : 867,461.40 = 262,861.20 : x
  2. Step 2: Convert to fraction form
    578,566.80/867,461.40 = 262,861.20/x
  3. Step 3: Cross multiply
    578,566.80x = 867,461.40 × 262,861.20
  4. Step 4: Simplify right side
    578,566.80x = 228,021,944,557.68
  5. Step 5: Solve for x
    x = 228,021,944,557.68/578,566.80
  6. Step 6: Final answer
    x = 394,115.16

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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.