Home / 881,211.66-1,216,069.11-499,311.24

Finding the Fourth Proportional to 881,211.66, 1,216,069.11 and 499,311.24

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Solution

The fourth proportional to 881,211.66, 1,216,069.11 and 499,311.24 is: 689,047.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,211.66 : 1,216,069.11 = 499,311.24 : x
  2. Step 2: Convert to fraction form
    881,211.66/1,216,069.11 = 499,311.24/x
  3. Step 3: Cross multiply
    881,211.66x = 1,216,069.11 × 499,311.24
  4. Step 4: Simplify right side
    881,211.66x = 607,196,975,239.80
  5. Step 5: Solve for x
    x = 607,196,975,239.80/881,211.66
  6. Step 6: Final answer
    x = 689,047.82

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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.