Home / 626,936.80-865,165.16-340,458.94

Finding the Fourth Proportional to 626,936.80, 865,165.16 and 340,458.94

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Solution

The fourth proportional to 626,936.80, 865,165.16 and 340,458.94 is: 469,829.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,936.80 : 865,165.16 = 340,458.94 : x
  2. Step 2: Convert to fraction form
    626,936.80/865,165.16 = 340,458.94/x
  3. Step 3: Cross multiply
    626,936.80x = 865,165.16 × 340,458.94
  4. Step 4: Simplify right side
    626,936.80x = 294,553,213,298.53
  5. Step 5: Solve for x
    x = 294,553,213,298.53/626,936.80
  6. Step 6: Final answer
    x = 469,829.20

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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.