Home / 931,238.60-1,283,883.56-608,387.72

Finding the Fourth Proportional to 931,238.60, 1,283,883.56 and 608,387.72

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Solution

The fourth proportional to 931,238.60, 1,283,883.56 and 608,387.72 is: 838,774.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,238.60 : 1,283,883.56 = 608,387.72 : x
  2. Step 2: Convert to fraction form
    931,238.60/1,283,883.56 = 608,387.72/x
  3. Step 3: Cross multiply
    931,238.60x = 1,283,883.56 × 608,387.72
  4. Step 4: Simplify right side
    931,238.60x = 781,098,991,813.88
  5. Step 5: Solve for x
    x = 781,098,991,813.88/931,238.60
  6. Step 6: Final answer
    x = 838,774.29

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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.