Home / 445,104.90-614,215.70-283,942.65

Finding the Fourth Proportional to 445,104.90, 614,215.70 and 283,942.65

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Solution

The fourth proportional to 445,104.90, 614,215.70 and 283,942.65 is: 391,822.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,104.90 : 614,215.70 = 283,942.65 : x
  2. Step 2: Convert to fraction form
    445,104.90/614,215.70 = 283,942.65/x
  3. Step 3: Cross multiply
    445,104.90x = 614,215.70 × 283,942.65
  4. Step 4: Simplify right side
    445,104.90x = 174,402,036,011.78
  5. Step 5: Solve for x
    x = 174,402,036,011.78/445,104.90
  6. Step 6: Final answer
    x = 391,822.32

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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.