Home / 806,669.20-1,210,003.80-541,248.40

Finding the Fourth Proportional to 806,669.20, 1,210,003.80 and 541,248.40

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Solution

The fourth proportional to 806,669.20, 1,210,003.80 and 541,248.40 is: 811,872.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,669.20 : 1,210,003.80 = 541,248.40 : x
  2. Step 2: Convert to fraction form
    806,669.20/1,210,003.80 = 541,248.40/x
  3. Step 3: Cross multiply
    806,669.20x = 1,210,003.80 × 541,248.40
  4. Step 4: Simplify right side
    806,669.20x = 654,912,620,743.92
  5. Step 5: Solve for x
    x = 654,912,620,743.92/806,669.20
  6. Step 6: Final answer
    x = 811,872.60

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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.