Home / 891,551.56-1,230,341.14-509,586.54

Finding the Fourth Proportional to 891,551.56, 1,230,341.14 and 509,586.54

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Solution

The fourth proportional to 891,551.56, 1,230,341.14 and 509,586.54 is: 703,229.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,551.56 : 1,230,341.14 = 509,586.54 : x
  2. Step 2: Convert to fraction form
    891,551.56/1,230,341.14 = 509,586.54/x
  3. Step 3: Cross multiply
    891,551.56x = 1,230,341.14 × 509,586.54
  4. Step 4: Simplify right side
    891,551.56x = 626,965,283,278.29
  5. Step 5: Solve for x
    x = 626,965,283,278.29/891,551.56
  6. Step 6: Final answer
    x = 703,229.42

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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.