Home / 835,396.88-1,153,146.78-495,865.13

Finding the Fourth Proportional to 835,396.88, 1,153,146.78 and 495,865.13

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Solution

The fourth proportional to 835,396.88, 1,153,146.78 and 495,865.13 is: 684,471.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,396.88 : 1,153,146.78 = 495,865.13 : x
  2. Step 2: Convert to fraction form
    835,396.88/1,153,146.78 = 495,865.13/x
  3. Step 3: Cross multiply
    835,396.88x = 1,153,146.78 × 495,865.13
  4. Step 4: Simplify right side
    835,396.88x = 571,805,272,208.05
  5. Step 5: Solve for x
    x = 571,805,272,208.05/835,396.88
  6. Step 6: Final answer
    x = 684,471.40

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Double scale
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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.