Home / 876,330.80-1,314,366.60-245,308.40

Finding the Fourth Proportional to 876,330.80, 1,314,366.60 and 245,308.40

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Solution

The fourth proportional to 876,330.80, 1,314,366.60 and 245,308.40 is: 367,926.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,330.80 : 1,314,366.60 = 245,308.40 : x
  2. Step 2: Convert to fraction form
    876,330.80/1,314,366.60 = 245,308.40/x
  3. Step 3: Cross multiply
    876,330.80x = 1,314,366.60 × 245,308.40
  4. Step 4: Simplify right side
    876,330.80x = 322,425,167,659.44
  5. Step 5: Solve for x
    x = 322,425,167,659.44/876,330.80
  6. Step 6: Final answer
    x = 367,926.32

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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.