Home / 418,628.13-577,689.21-237,352.26

Finding the Fourth Proportional to 418,628.13, 577,689.21 and 237,352.26

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Solution

The fourth proportional to 418,628.13, 577,689.21 and 237,352.26 is: 327,536.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,628.13 : 577,689.21 = 237,352.26 : x
  2. Step 2: Convert to fraction form
    418,628.13/577,689.21 = 237,352.26/x
  3. Step 3: Cross multiply
    418,628.13x = 577,689.21 × 237,352.26
  4. Step 4: Simplify right side
    418,628.13x = 137,115,839,571.12
  5. Step 5: Solve for x
    x = 137,115,839,571.12/418,628.13
  6. Step 6: Final answer
    x = 327,536.13

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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.