Home / 1,012,083.20-1,396,673.62-553,200.78

Finding the Fourth Proportional to 1,012,083.20, 1,396,673.62 and 553,200.78

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Solution

The fourth proportional to 1,012,083.20, 1,396,673.62 and 553,200.78 is: 763,416.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,083.20 : 1,396,673.62 = 553,200.78 : x
  2. Step 2: Convert to fraction form
    1,012,083.20/1,396,673.62 = 553,200.78/x
  3. Step 3: Cross multiply
    1,012,083.20x = 1,396,673.62 × 553,200.78
  4. Step 4: Simplify right side
    1,012,083.20x = 772,640,935,989.42
  5. Step 5: Solve for x
    x = 772,640,935,989.42/1,012,083.20
  6. Step 6: Final answer
    x = 763,416.42

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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.