Home / 637,089.05-878,984.92-361,401.52

Finding the Fourth Proportional to 637,089.05, 878,984.92 and 361,401.52

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Solution

The fourth proportional to 637,089.05, 878,984.92 and 361,401.52 is: 498,621.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,089.05 : 878,984.92 = 361,401.52 : x
  2. Step 2: Convert to fraction form
    637,089.05/878,984.92 = 361,401.52/x
  3. Step 3: Cross multiply
    637,089.05x = 878,984.92 × 361,401.52
  4. Step 4: Simplify right side
    637,089.05x = 317,666,486,486.73
  5. Step 5: Solve for x
    x = 317,666,486,486.73/637,089.05
  6. Step 6: Final answer
    x = 498,621.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.