Home / 908,672.40-1,361,842.20-553,309.20

Finding the Fourth Proportional to 908,672.40, 1,361,842.20 and 553,309.20

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Solution

The fourth proportional to 908,672.40, 1,361,842.20 and 553,309.20 is: 829,253.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,672.40 : 1,361,842.20 = 553,309.20 : x
  2. Step 2: Convert to fraction form
    908,672.40/1,361,842.20 = 553,309.20/x
  3. Step 3: Cross multiply
    908,672.40x = 1,361,842.20 × 553,309.20
  4. Step 4: Simplify right side
    908,672.40x = 753,519,818,208.24
  5. Step 5: Solve for x
    x = 753,519,818,208.24/908,672.40
  6. Step 6: Final answer
    x = 829,253.56

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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.