Home / 423,079.41-583,846.18-229,486.64

Finding the Fourth Proportional to 423,079.41, 583,846.18 and 229,486.64

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Solution

The fourth proportional to 423,079.41, 583,846.18 and 229,486.64 is: 316,689.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,079.41 : 583,846.18 = 229,486.64 : x
  2. Step 2: Convert to fraction form
    423,079.41/583,846.18 = 229,486.64/x
  3. Step 3: Cross multiply
    423,079.41x = 583,846.18 × 229,486.64
  4. Step 4: Simplify right side
    423,079.41x = 133,984,898,125.04
  5. Step 5: Solve for x
    x = 133,984,898,125.04/423,079.41
  6. Step 6: Final answer
    x = 316,689.72

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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.