Home / 626,758.18-864,926.26-340,278.30

Finding the Fourth Proportional to 626,758.18, 864,926.26 and 340,278.30

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Solution

The fourth proportional to 626,758.18, 864,926.26 and 340,278.30 is: 469,584.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,758.18 : 864,926.26 = 340,278.30 : x
  2. Step 2: Convert to fraction form
    626,758.18/864,926.26 = 340,278.30/x
  3. Step 3: Cross multiply
    626,758.18x = 864,926.26 × 340,278.30
  4. Step 4: Simplify right side
    626,758.18x = 294,315,636,527.46
  5. Step 5: Solve for x
    x = 294,315,636,527.46/626,758.18
  6. Step 6: Final answer
    x = 469,584.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.