Home / 440,025.49-607,235.57-238,821.49

Finding the Fourth Proportional to 440,025.49, 607,235.57 and 238,821.49

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Solution

The fourth proportional to 440,025.49, 607,235.57 and 238,821.49 is: 329,573.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,025.49 : 607,235.57 = 238,821.49 : x
  2. Step 2: Convert to fraction form
    440,025.49/607,235.57 = 238,821.49/x
  3. Step 3: Cross multiply
    440,025.49x = 607,235.57 × 238,821.49
  4. Step 4: Simplify right side
    440,025.49x = 145,020,903,608.40
  5. Step 5: Solve for x
    x = 145,020,903,608.40/440,025.49
  6. Step 6: Final answer
    x = 329,573.87

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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.