Home / 439,973.17-607,162.98-238,769.17

Finding the Fourth Proportional to 439,973.17, 607,162.98 and 238,769.17

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Solution

The fourth proportional to 439,973.17, 607,162.98 and 238,769.17 is: 329,501.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,973.17 : 607,162.98 = 238,769.17 : x
  2. Step 2: Convert to fraction form
    439,973.17/607,162.98 = 238,769.17/x
  3. Step 3: Cross multiply
    439,973.17x = 607,162.98 × 238,769.17
  4. Step 4: Simplify right side
    439,973.17x = 144,971,800,789.33
  5. Step 5: Solve for x
    x = 144,971,800,789.33/439,973.17
  6. Step 6: Final answer
    x = 329,501.46

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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.