Home / 876,562.20-1,314,974.70-371,122.20

Finding the Fourth Proportional to 876,562.20, 1,314,974.70 and 371,122.20

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Solution

The fourth proportional to 876,562.20, 1,314,974.70 and 371,122.20 is: 556,738.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,562.20 : 1,314,974.70 = 371,122.20 : x
  2. Step 2: Convert to fraction form
    876,562.20/1,314,974.70 = 371,122.20/x
  3. Step 3: Cross multiply
    876,562.20x = 1,314,974.70 × 371,122.20
  4. Step 4: Simplify right side
    876,562.20x = 488,016,303,608.34
  5. Step 5: Solve for x
    x = 488,016,303,608.34/876,562.20
  6. Step 6: Final answer
    x = 556,738.93

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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.