Home / 868,276.50-1,198,225.26-505,948.92

Finding the Fourth Proportional to 868,276.50, 1,198,225.26 and 505,948.92

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Solution

The fourth proportional to 868,276.50, 1,198,225.26 and 505,948.92 is: 698,211.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,276.50 : 1,198,225.26 = 505,948.92 : x
  2. Step 2: Convert to fraction form
    868,276.50/1,198,225.26 = 505,948.92/x
  3. Step 3: Cross multiply
    868,276.50x = 1,198,225.26 × 505,948.92
  4. Step 4: Simplify right side
    868,276.50x = 606,240,776,213.72
  5. Step 5: Solve for x
    x = 606,240,776,213.72/868,276.50
  6. Step 6: Final answer
    x = 698,211.66

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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.