Home / 626,832.12-865,004.07-340,345.65

Finding the Fourth Proportional to 626,832.12, 865,004.07 and 340,345.65

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Solution

The fourth proportional to 626,832.12, 865,004.07 and 340,345.65 is: 469,663.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,832.12 : 865,004.07 = 340,345.65 : x
  2. Step 2: Convert to fraction form
    626,832.12/865,004.07 = 340,345.65/x
  3. Step 3: Cross multiply
    626,832.12x = 865,004.07 × 340,345.65
  4. Step 4: Simplify right side
    626,832.12x = 294,400,372,456.80
  5. Step 5: Solve for x
    x = 294,400,372,456.80/626,832.12
  6. Step 6: Final answer
    x = 469,663.83

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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.