Home / 696,003.20-1,044,004.80-518,856.20

Finding the Fourth Proportional to 696,003.20, 1,044,004.80 and 518,856.20

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Solution

The fourth proportional to 696,003.20, 1,044,004.80 and 518,856.20 is: 778,284.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,003.20 : 1,044,004.80 = 518,856.20 : x
  2. Step 2: Convert to fraction form
    696,003.20/1,044,004.80 = 518,856.20/x
  3. Step 3: Cross multiply
    696,003.20x = 1,044,004.80 × 518,856.20
  4. Step 4: Simplify right side
    696,003.20x = 541,688,363,309.76
  5. Step 5: Solve for x
    x = 541,688,363,309.76/696,003.20
  6. Step 6: Final answer
    x = 778,284.30

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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.