Home / 857,807.56-1,183,648.98-495,173.80

Finding the Fourth Proportional to 857,807.56, 1,183,648.98 and 495,173.80

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Solution

The fourth proportional to 857,807.56, 1,183,648.98 and 495,173.80 is: 683,267.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,807.56 : 1,183,648.98 = 495,173.80 : x
  2. Step 2: Convert to fraction form
    857,807.56/1,183,648.98 = 495,173.80/x
  3. Step 3: Cross multiply
    857,807.56x = 1,183,648.98 × 495,173.80
  4. Step 4: Simplify right side
    857,807.56x = 586,111,963,292.72
  5. Step 5: Solve for x
    x = 586,111,963,292.72/857,807.56
  6. Step 6: Final answer
    x = 683,267.43

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1.5x scale

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.