Home / 817,330.01-1,127,921.04-454,769.15

Finding the Fourth Proportional to 817,330.01, 1,127,921.04 and 454,769.15

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Solution

The fourth proportional to 817,330.01, 1,127,921.04 and 454,769.15 is: 627,584.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,330.01 : 1,127,921.04 = 454,769.15 : x
  2. Step 2: Convert to fraction form
    817,330.01/1,127,921.04 = 454,769.15/x
  3. Step 3: Cross multiply
    817,330.01x = 1,127,921.04 × 454,769.15
  4. Step 4: Simplify right side
    817,330.01x = 512,943,686,988.31
  5. Step 5: Solve for x
    x = 512,943,686,988.31/817,330.01
  6. Step 6: Final answer
    x = 627,584.55

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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.