Home / 779,818.59-1,169,769.20-218,896.83

Finding the Fourth Proportional to 779,818.59, 1,169,769.20 and 218,896.83

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Solution

The fourth proportional to 779,818.59, 1,169,769.20 and 218,896.83 is: 328,356.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,818.59 : 1,169,769.20 = 218,896.83 : x
  2. Step 2: Convert to fraction form
    779,818.59/1,169,769.20 = 218,896.83/x
  3. Step 3: Cross multiply
    779,818.59x = 1,169,769.20 × 218,896.83
  4. Step 4: Simplify right side
    779,818.59x = 256,058,768,617.15
  5. Step 5: Solve for x
    x = 256,058,768,617.15/779,818.59
  6. Step 6: Final answer
    x = 328,356.84

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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.