Home / 914,968.32-1,370,934.88-647,402.56

Finding the Fourth Proportional to 914,968.32, 1,370,934.88 and 647,402.56

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Solution

The fourth proportional to 914,968.32, 1,370,934.88 and 647,402.56 is: 970,030.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,968.32 : 1,370,934.88 = 647,402.56 : x
  2. Step 2: Convert to fraction form
    914,968.32/1,370,934.88 = 647,402.56/x
  3. Step 3: Cross multiply
    914,968.32x = 1,370,934.88 × 647,402.56
  4. Step 4: Simplify right side
    914,968.32x = 887,546,750,905.29
  5. Step 5: Solve for x
    x = 887,546,750,905.29/914,968.32
  6. Step 6: Final answer
    x = 970,030.03

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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.