Home / 1,079,125.40-1,618,688.10-518,024.60

Finding the Fourth Proportional to 1,079,125.40, 1,618,688.10 and 518,024.60

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Solution

The fourth proportional to 1,079,125.40, 1,618,688.10 and 518,024.60 is: 777,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,125.40 : 1,618,688.10 = 518,024.60 : x
  2. Step 2: Convert to fraction form
    1,079,125.40/1,618,688.10 = 518,024.60/x
  3. Step 3: Cross multiply
    1,079,125.40x = 1,618,688.10 × 518,024.60
  4. Step 4: Simplify right side
    1,079,125.40x = 838,520,255,527.26
  5. Step 5: Solve for x
    x = 838,520,255,527.26/1,079,125.40
  6. Step 6: Final answer
    x = 777,036.90

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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.