Home / 891,558.19-1,230,350.28-509,593.16

Finding the Fourth Proportional to 891,558.19, 1,230,350.28 and 509,593.16

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Solution

The fourth proportional to 891,558.19, 1,230,350.28 and 509,593.16 is: 703,238.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,558.19 : 1,230,350.28 = 509,593.16 : x
  2. Step 2: Convert to fraction form
    891,558.19/1,230,350.28 = 509,593.16/x
  3. Step 3: Cross multiply
    891,558.19x = 1,230,350.28 × 509,593.16
  4. Step 4: Simplify right side
    891,558.19x = 626,978,087,092.09
  5. Step 5: Solve for x
    x = 626,978,087,092.09/891,558.19
  6. Step 6: Final answer
    x = 703,238.55

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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.