Home / 495,021.16-683,129.87-268,666.66

Finding the Fourth Proportional to 495,021.16, 683,129.87 and 268,666.66

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Solution

The fourth proportional to 495,021.16, 683,129.87 and 268,666.66 is: 370,760.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,021.16 : 683,129.87 = 268,666.66 : x
  2. Step 2: Convert to fraction form
    495,021.16/683,129.87 = 268,666.66/x
  3. Step 3: Cross multiply
    495,021.16x = 683,129.87 × 268,666.66
  4. Step 4: Simplify right side
    495,021.16x = 183,534,220,519.13
  5. Step 5: Solve for x
    x = 183,534,220,519.13/495,021.16
  6. Step 6: Final answer
    x = 370,760.35

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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.