Home / 882,904.96-1,218,385.92-515,452.48

Finding the Fourth Proportional to 882,904.96, 1,218,385.92 and 515,452.48

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Solution

The fourth proportional to 882,904.96, 1,218,385.92 and 515,452.48 is: 711,311.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,904.96 : 1,218,385.92 = 515,452.48 : x
  2. Step 2: Convert to fraction form
    882,904.96/1,218,385.92 = 515,452.48/x
  3. Step 3: Cross multiply
    882,904.96x = 1,218,385.92 × 515,452.48
  4. Step 4: Simplify right side
    882,904.96x = 628,020,044,061.08
  5. Step 5: Solve for x
    x = 628,020,044,061.08/882,904.96
  6. Step 6: Final answer
    x = 711,311.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.