Home / 876,790.20-1,315,316.70-371,350.20

Finding the Fourth Proportional to 876,790.20, 1,315,316.70 and 371,350.20

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Solution

The fourth proportional to 876,790.20, 1,315,316.70 and 371,350.20 is: 557,080.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,790.20 : 1,315,316.70 = 371,350.20 : x
  2. Step 2: Convert to fraction form
    876,790.20/1,315,316.70 = 371,350.20/x
  3. Step 3: Cross multiply
    876,790.20x = 1,315,316.70 × 371,350.20
  4. Step 4: Simplify right side
    876,790.20x = 488,443,119,608.34
  5. Step 5: Solve for x
    x = 488,443,119,608.34/876,790.20
  6. Step 6: Final answer
    x = 557,080.95

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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.