Home / 457,962.12-632,301.12-286,142.22

Finding the Fourth Proportional to 457,962.12, 632,301.12 and 286,142.22

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Solution

The fourth proportional to 457,962.12, 632,301.12 and 286,142.22 is: 395,072.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,962.12 : 632,301.12 = 286,142.22 : x
  2. Step 2: Convert to fraction form
    457,962.12/632,301.12 = 286,142.22/x
  3. Step 3: Cross multiply
    457,962.12x = 632,301.12 × 286,142.22
  4. Step 4: Simplify right side
    457,962.12x = 180,928,046,185.29
  5. Step 5: Solve for x
    x = 180,928,046,185.29/457,962.12
  6. Step 6: Final answer
    x = 395,072.08

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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.