Home / 817,335.26-1,127,928.27-454,774.40

Finding the Fourth Proportional to 817,335.26, 1,127,928.27 and 454,774.40

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Solution

The fourth proportional to 817,335.26, 1,127,928.27 and 454,774.40 is: 627,591.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,335.26 : 1,127,928.27 = 454,774.40 : x
  2. Step 2: Convert to fraction form
    817,335.26/1,127,928.27 = 454,774.40/x
  3. Step 3: Cross multiply
    817,335.26x = 1,127,928.27 × 454,774.40
  4. Step 4: Simplify right side
    817,335.26x = 512,952,896,592.65
  5. Step 5: Solve for x
    x = 512,952,896,592.65/817,335.26
  6. Step 6: Final answer
    x = 627,591.79

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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.