Home / 626,784.06-864,961.97-340,304.18

Finding the Fourth Proportional to 626,784.06, 864,961.97 and 340,304.18

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Solution

The fourth proportional to 626,784.06, 864,961.97 and 340,304.18 is: 469,619.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,784.06 : 864,961.97 = 340,304.18 : x
  2. Step 2: Convert to fraction form
    626,784.06/864,961.97 = 340,304.18/x
  3. Step 3: Cross multiply
    626,784.06x = 864,961.97 × 340,304.18
  4. Step 4: Simplify right side
    626,784.06x = 294,350,167,905.70
  5. Step 5: Solve for x
    x = 294,350,167,905.70/626,784.06
  6. Step 6: Final answer
    x = 469,619.74

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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.