Home / 986,319.76-1,479,947.66-683,180.05

Finding the Fourth Proportional to 986,319.76, 1,479,947.66 and 683,180.05

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Solution

The fourth proportional to 986,319.76, 1,479,947.66 and 683,180.05 is: 1,025,094.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,319.76 : 1,479,947.66 = 683,180.05 : x
  2. Step 2: Convert to fraction form
    986,319.76/1,479,947.66 = 683,180.05/x
  3. Step 3: Cross multiply
    986,319.76x = 1,479,947.66 × 683,180.05
  4. Step 4: Simplify right side
    986,319.76x = 1,011,070,716,356.18
  5. Step 5: Solve for x
    x = 1,011,070,716,356.18/986,319.76
  6. Step 6: Final answer
    x = 1,025,094.25

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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.