Home / 817,401.93-1,128,014.66-454,849.14

Finding the Fourth Proportional to 817,401.93, 1,128,014.66 and 454,849.14

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Solution

The fourth proportional to 817,401.93, 1,128,014.66 and 454,849.14 is: 627,691.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,401.93 : 1,128,014.66 = 454,849.14 : x
  2. Step 2: Convert to fraction form
    817,401.93/1,128,014.66 = 454,849.14/x
  3. Step 3: Cross multiply
    817,401.93x = 1,128,014.66 × 454,849.14
  4. Step 4: Simplify right side
    817,401.93x = 513,076,500,794.66
  5. Step 5: Solve for x
    x = 513,076,500,794.66/817,401.93
  6. Step 6: Final answer
    x = 627,691.82

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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.