Home / 875,200.10-1,313,784.30-676,401.80

Finding the Fourth Proportional to 875,200.10, 1,313,784.30 and 676,401.80

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Solution

The fourth proportional to 875,200.10, 1,313,784.30 and 676,401.80 is: 1,015,363.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,200.10 : 1,313,784.30 = 676,401.80 : x
  2. Step 2: Convert to fraction form
    875,200.10/1,313,784.30 = 676,401.80/x
  3. Step 3: Cross multiply
    875,200.10x = 1,313,784.30 × 676,401.80
  4. Step 4: Simplify right side
    875,200.10x = 888,646,065,331.74
  5. Step 5: Solve for x
    x = 888,646,065,331.74/875,200.10
  6. Step 6: Final answer
    x = 1,015,363.30

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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.