Home / 906,511.20-1,360,204.20-639,697.20

Finding the Fourth Proportional to 906,511.20, 1,360,204.20 and 639,697.20

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Solution

The fourth proportional to 906,511.20, 1,360,204.20 and 639,697.20 is: 959,854.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,511.20 : 1,360,204.20 = 639,697.20 : x
  2. Step 2: Convert to fraction form
    906,511.20/1,360,204.20 = 639,697.20/x
  3. Step 3: Cross multiply
    906,511.20x = 1,360,204.20 × 639,697.20
  4. Step 4: Simplify right side
    906,511.20x = 870,118,818,168.24
  5. Step 5: Solve for x
    x = 870,118,818,168.24/906,511.20
  6. Step 6: Final answer
    x = 959,854.46

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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.