Home / 891,084.34-1,229,761.56-509,102.92

Finding the Fourth Proportional to 891,084.34, 1,229,761.56 and 509,102.92

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Solution

The fourth proportional to 891,084.34, 1,229,761.56 and 509,102.92 is: 702,599.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,084.34 : 1,229,761.56 = 509,102.92 : x
  2. Step 2: Convert to fraction form
    891,084.34/1,229,761.56 = 509,102.92/x
  3. Step 3: Cross multiply
    891,084.34x = 1,229,761.56 × 509,102.92
  4. Step 4: Simplify right side
    891,084.34x = 626,075,201,099.76
  5. Step 5: Solve for x
    x = 626,075,201,099.76/891,084.34
  6. Step 6: Final answer
    x = 702,599.26

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Double scale
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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.