Home / 440,161.65-663,637.01-437,429.27

Finding the Fourth Proportional to 440,161.65, 663,637.01 and 437,429.27

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Solution

The fourth proportional to 440,161.65, 663,637.01 and 437,429.27 is: 659,517.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,161.65 : 663,637.01 = 437,429.27 : x
  2. Step 2: Convert to fraction form
    440,161.65/663,637.01 = 437,429.27/x
  3. Step 3: Cross multiply
    440,161.65x = 663,637.01 × 437,429.27
  4. Step 4: Simplify right side
    440,161.65x = 290,294,252,301.23
  5. Step 5: Solve for x
    x = 290,294,252,301.23/440,161.65
  6. Step 6: Final answer
    x = 659,517.36

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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.