Home / 828,759.87-1,143,789.80-466,199.01

Finding the Fourth Proportional to 828,759.87, 1,143,789.80 and 466,199.01

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Solution

The fourth proportional to 828,759.87, 1,143,789.80 and 466,199.01 is: 643,411.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,759.87 : 1,143,789.80 = 466,199.01 : x
  2. Step 2: Convert to fraction form
    828,759.87/1,143,789.80 = 466,199.01/x
  3. Step 3: Cross multiply
    828,759.87x = 1,143,789.80 × 466,199.01
  4. Step 4: Simplify right side
    828,759.87x = 533,233,670,077.10
  5. Step 5: Solve for x
    x = 533,233,670,077.10/828,759.87
  6. Step 6: Final answer
    x = 643,411.55

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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.