Home / 626,826.84-865,027.26-340,349.28

Finding the Fourth Proportional to 626,826.84, 865,027.26 and 340,349.28

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Solution

The fourth proportional to 626,826.84, 865,027.26 and 340,349.28 is: 469,685.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,826.84 : 865,027.26 = 340,349.28 : x
  2. Step 2: Convert to fraction form
    626,826.84/865,027.26 = 340,349.28/x
  3. Step 3: Cross multiply
    626,826.84x = 865,027.26 × 340,349.28
  4. Step 4: Simplify right side
    626,826.84x = 294,411,405,121.37
  5. Step 5: Solve for x
    x = 294,411,405,121.37/626,826.84
  6. Step 6: Final answer
    x = 469,685.38

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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.