Home / 423,934.89-585,056.31-242,642.96

Finding the Fourth Proportional to 423,934.89, 585,056.31 and 242,642.96

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Solution

The fourth proportional to 423,934.89, 585,056.31 and 242,642.96 is: 334,862.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,934.89 : 585,056.31 = 242,642.96 : x
  2. Step 2: Convert to fraction form
    423,934.89/585,056.31 = 242,642.96/x
  3. Step 3: Cross multiply
    423,934.89x = 585,056.31 × 242,642.96
  4. Step 4: Simplify right side
    423,934.89x = 141,959,791,899.80
  5. Step 5: Solve for x
    x = 141,959,791,899.80/423,934.89
  6. Step 6: Final answer
    x = 334,862.25

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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.