Home / 881,036.10-1,321,554.15-781,308.90

Finding the Fourth Proportional to 881,036.10, 1,321,554.15 and 781,308.90

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Solution

The fourth proportional to 881,036.10, 1,321,554.15 and 781,308.90 is: 1,171,963.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,036.10 : 1,321,554.15 = 781,308.90 : x
  2. Step 2: Convert to fraction form
    881,036.10/1,321,554.15 = 781,308.90/x
  3. Step 3: Cross multiply
    881,036.10x = 1,321,554.15 × 781,308.90
  4. Step 4: Simplify right side
    881,036.10x = 1,032,542,019,226.94
  5. Step 5: Solve for x
    x = 1,032,542,019,226.94/881,036.10
  6. Step 6: Final answer
    x = 1,171,963.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.