Home / 881,293.50-1,216,234.24-499,443.30

Finding the Fourth Proportional to 881,293.50, 1,216,234.24 and 499,443.30

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Solution

The fourth proportional to 881,293.50, 1,216,234.24 and 499,443.30 is: 689,259.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,293.50 : 1,216,234.24 = 499,443.30 : x
  2. Step 2: Convert to fraction form
    881,293.50/1,216,234.24 = 499,443.30/x
  3. Step 3: Cross multiply
    881,293.50x = 1,216,234.24 × 499,443.30
  4. Step 4: Simplify right side
    881,293.50x = 607,440,041,149.98
  5. Step 5: Solve for x
    x = 607,440,041,149.98/881,293.50
  6. Step 6: Final answer
    x = 689,259.64

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Double scale
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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.