Home / 817,219.83-1,127,778.46-454,677.50

Finding the Fourth Proportional to 817,219.83, 1,127,778.46 and 454,677.50

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Solution

The fourth proportional to 817,219.83, 1,127,778.46 and 454,677.50 is: 627,463.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,219.83 : 1,127,778.46 = 454,677.50 : x
  2. Step 2: Convert to fraction form
    817,219.83/1,127,778.46 = 454,677.50/x
  3. Step 3: Cross multiply
    817,219.83x = 1,127,778.46 × 454,677.50
  4. Step 4: Simplify right side
    817,219.83x = 512,775,492,429.40
  5. Step 5: Solve for x
    x = 512,775,492,429.40/817,219.83
  6. Step 6: Final answer
    x = 627,463.35

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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.