Home / 857,766.90-1,183,695.48-495,178.50

Finding the Fourth Proportional to 857,766.90, 1,183,695.48 and 495,178.50

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Solution

The fourth proportional to 857,766.90, 1,183,695.48 and 495,178.50 is: 683,333.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,766.90 : 1,183,695.48 = 495,178.50 : x
  2. Step 2: Convert to fraction form
    857,766.90/1,183,695.48 = 495,178.50/x
  3. Step 3: Cross multiply
    857,766.90x = 1,183,695.48 × 495,178.50
  4. Step 4: Simplify right side
    857,766.90x = 586,140,552,243.18
  5. Step 5: Solve for x
    x = 586,140,552,243.18/857,766.90
  6. Step 6: Final answer
    x = 683,333.14

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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.