Home / 428,315.19-591,066.14-237,326.91

Finding the Fourth Proportional to 428,315.19, 591,066.14 and 237,326.91

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Solution

The fourth proportional to 428,315.19, 591,066.14 and 237,326.91 is: 327,506.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,315.19 : 591,066.14 = 237,326.91 : x
  2. Step 2: Convert to fraction form
    428,315.19/591,066.14 = 237,326.91/x
  3. Step 3: Cross multiply
    428,315.19x = 591,066.14 × 237,326.91
  4. Step 4: Simplify right side
    428,315.19x = 140,275,897,656.50
  5. Step 5: Solve for x
    x = 140,275,897,656.50/428,315.19
  6. Step 6: Final answer
    x = 327,506.24

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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.