Home / 424,638.45-585,934.16-243,315.50

Finding the Fourth Proportional to 424,638.45, 585,934.16 and 243,315.50

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Solution

The fourth proportional to 424,638.45, 585,934.16 and 243,315.50 is: 335,737.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,638.45 : 585,934.16 = 243,315.50 : x
  2. Step 2: Convert to fraction form
    424,638.45/585,934.16 = 243,315.50/x
  3. Step 3: Cross multiply
    424,638.45x = 585,934.16 × 243,315.50
  4. Step 4: Simplify right side
    424,638.45x = 142,566,858,961.23
  5. Step 5: Solve for x
    x = 142,566,858,961.23/424,638.45
  6. Step 6: Final answer
    x = 335,737.05

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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.