Home / 550,878-826,666.55-235,337.28

Finding the Fourth Proportional to 550,878, 826,666.55 and 235,337.28

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Solution

The fourth proportional to 550,878, 826,666.55 and 235,337.28 is: 353,155.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,878 : 826,666.55 = 235,337.28 : x
  2. Step 2: Convert to fraction form
    550,878/826,666.55 = 235,337.28/x
  3. Step 3: Cross multiply
    550,878x = 826,666.55 × 235,337.28
  4. Step 4: Simplify right side
    550,878x = 194,545,456,167.30
  5. Step 5: Solve for x
    x = 194,545,456,167.30/550,878
  6. Step 6: Final answer
    x = 353,155.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.