Home / 868,328.76-1,198,317.06-486,347.16

Finding the Fourth Proportional to 868,328.76, 1,198,317.06 and 486,347.16

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Solution

The fourth proportional to 868,328.76, 1,198,317.06 and 486,347.16 is: 671,172.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,328.76 : 1,198,317.06 = 486,347.16 : x
  2. Step 2: Convert to fraction form
    868,328.76/1,198,317.06 = 486,347.16/x
  3. Step 3: Cross multiply
    868,328.76x = 1,198,317.06 × 486,347.16
  4. Step 4: Simplify right side
    868,328.76x = 582,798,098,910.55
  5. Step 5: Solve for x
    x = 582,798,098,910.55/868,328.76
  6. Step 6: Final answer
    x = 671,172.17

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Half scale
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Double scale
Find fourth proportional to 868,329.76, 1,198,318.44 and 486,348.16
Similar ratio
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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.