Home / 2,077,139.80-3,113,376.90-878,858.20

Finding the Fourth Proportional to 2,077,139.80, 3,113,376.90 and 878,858.20

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Solution

The fourth proportional to 2,077,139.80, 3,113,376.90 and 878,858.20 is: 1,317,300.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,139.80 : 3,113,376.90 = 878,858.20 : x
  2. Step 2: Convert to fraction form
    2,077,139.80/3,113,376.90 = 878,858.20/x
  3. Step 3: Cross multiply
    2,077,139.80x = 3,113,376.90 × 878,858.20
  4. Step 4: Simplify right side
    2,077,139.80x = 2,736,216,818,255.58
  5. Step 5: Solve for x
    x = 2,736,216,818,255.58/2,077,139.80
  6. Step 6: Final answer
    x = 1,317,300.27

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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.