Home / 821,708.20-1,232,562.30-655,820.20

Finding the Fourth Proportional to 821,708.20, 1,232,562.30 and 655,820.20

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Solution

The fourth proportional to 821,708.20, 1,232,562.30 and 655,820.20 is: 983,730.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,708.20 : 1,232,562.30 = 655,820.20 : x
  2. Step 2: Convert to fraction form
    821,708.20/1,232,562.30 = 655,820.20/x
  3. Step 3: Cross multiply
    821,708.20x = 1,232,562.30 × 655,820.20
  4. Step 4: Simplify right side
    821,708.20x = 808,339,254,098.46
  5. Step 5: Solve for x
    x = 808,339,254,098.46/821,708.20
  6. Step 6: Final answer
    x = 983,730.30

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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.