Home / 626,984.17-865,238.33-340,504.18

Finding the Fourth Proportional to 626,984.17, 865,238.33 and 340,504.18

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Solution

The fourth proportional to 626,984.17, 865,238.33 and 340,504.18 is: 469,895.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,984.17 : 865,238.33 = 340,504.18 : x
  2. Step 2: Convert to fraction form
    626,984.17/865,238.33 = 340,504.18/x
  3. Step 3: Cross multiply
    626,984.17x = 865,238.33 × 340,504.18
  4. Step 4: Simplify right side
    626,984.17x = 294,617,266,749.38
  5. Step 5: Solve for x
    x = 294,617,266,749.38/626,984.17
  6. Step 6: Final answer
    x = 469,895.86

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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.