Home / 439,938.18-607,114.68-238,734.18

Finding the Fourth Proportional to 439,938.18, 607,114.68 and 238,734.18

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Solution

The fourth proportional to 439,938.18, 607,114.68 and 238,734.18 is: 329,453.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,938.18 : 607,114.68 = 238,734.18 : x
  2. Step 2: Convert to fraction form
    439,938.18/607,114.68 = 238,734.18/x
  3. Step 3: Cross multiply
    439,938.18x = 607,114.68 × 238,734.18
  4. Step 4: Simplify right side
    439,938.18x = 144,939,022,260.19
  5. Step 5: Solve for x
    x = 144,939,022,260.19/439,938.18
  6. Step 6: Final answer
    x = 329,453.16

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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.