Home / 439,877.13-607,033.67-238,673.13

Finding the Fourth Proportional to 439,877.13, 607,033.67 and 238,673.13

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Solution

The fourth proportional to 439,877.13, 607,033.67 and 238,673.13 is: 329,370.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,877.13 : 607,033.67 = 238,673.13 : x
  2. Step 2: Convert to fraction form
    439,877.13/607,033.67 = 238,673.13/x
  3. Step 3: Cross multiply
    439,877.13x = 607,033.67 × 238,673.13
  4. Step 4: Simplify right side
    439,877.13x = 144,882,626,034.29
  5. Step 5: Solve for x
    x = 144,882,626,034.29/439,877.13
  6. Step 6: Final answer
    x = 329,370.67

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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.