Home / 440,161.90-663,637.38-437,429.52

Finding the Fourth Proportional to 440,161.90, 663,637.38 and 437,429.52

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Solution

The fourth proportional to 440,161.90, 663,637.38 and 437,429.52 is: 659,517.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,161.90 : 663,637.38 = 437,429.52 : x
  2. Step 2: Convert to fraction form
    440,161.90/663,637.38 = 437,429.52/x
  3. Step 3: Cross multiply
    440,161.90x = 663,637.38 × 437,429.52
  4. Step 4: Simplify right side
    440,161.90x = 290,294,580,587.46
  5. Step 5: Solve for x
    x = 290,294,580,587.46/440,161.90
  6. Step 6: Final answer
    x = 659,517.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.