Home / 676,544.30-1,014,082.88-338,770.65

Finding the Fourth Proportional to 676,544.30, 1,014,082.88 and 338,770.65

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Solution

The fourth proportional to 676,544.30, 1,014,082.88 and 338,770.65 is: 507,788.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,544.30 : 1,014,082.88 = 338,770.65 : x
  2. Step 2: Convert to fraction form
    676,544.30/1,014,082.88 = 338,770.65/x
  3. Step 3: Cross multiply
    676,544.30x = 1,014,082.88 × 338,770.65
  4. Step 4: Simplify right side
    676,544.30x = 343,541,516,411.47
  5. Step 5: Solve for x
    x = 343,541,516,411.47/676,544.30
  6. Step 6: Final answer
    x = 507,788.65

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Double scale
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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.