Home / 786,099.30-1,179,148.95-699,008.10

Finding the Fourth Proportional to 786,099.30, 1,179,148.95 and 699,008.10

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Solution

The fourth proportional to 786,099.30, 1,179,148.95 and 699,008.10 is: 1,048,512.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,099.30 : 1,179,148.95 = 699,008.10 : x
  2. Step 2: Convert to fraction form
    786,099.30/1,179,148.95 = 699,008.10/x
  3. Step 3: Cross multiply
    786,099.30x = 1,179,148.95 × 699,008.10
  4. Step 4: Simplify right side
    786,099.30x = 824,234,667,156.50
  5. Step 5: Solve for x
    x = 824,234,667,156.50/786,099.30
  6. Step 6: Final answer
    x = 1,048,512.15

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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.