Home / 819,851.16-1,227,254.44-534,928.20

Finding the Fourth Proportional to 819,851.16, 1,227,254.44 and 534,928.20

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Solution

The fourth proportional to 819,851.16, 1,227,254.44 and 534,928.20 is: 800,746.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,851.16 : 1,227,254.44 = 534,928.20 : x
  2. Step 2: Convert to fraction form
    819,851.16/1,227,254.44 = 534,928.20/x
  3. Step 3: Cross multiply
    819,851.16x = 1,227,254.44 × 534,928.20
  4. Step 4: Simplify right side
    819,851.16x = 656,493,008,531.21
  5. Step 5: Solve for x
    x = 656,493,008,531.21/819,851.16
  6. Step 6: Final answer
    x = 800,746.58

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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.