Home / 698,742.80-1,048,114.20-610,169.30

Finding the Fourth Proportional to 698,742.80, 1,048,114.20 and 610,169.30

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Solution

The fourth proportional to 698,742.80, 1,048,114.20 and 610,169.30 is: 915,253.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,742.80 : 1,048,114.20 = 610,169.30 : x
  2. Step 2: Convert to fraction form
    698,742.80/1,048,114.20 = 610,169.30/x
  3. Step 3: Cross multiply
    698,742.80x = 1,048,114.20 × 610,169.30
  4. Step 4: Simplify right side
    698,742.80x = 639,527,107,734.06
  5. Step 5: Solve for x
    x = 639,527,107,734.06/698,742.80
  6. Step 6: Final answer
    x = 915,253.95

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.