Home / 440,013.75-607,219.02-238,809.75

Finding the Fourth Proportional to 440,013.75, 607,219.02 and 238,809.75

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Solution

The fourth proportional to 440,013.75, 607,219.02 and 238,809.75 is: 329,557.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,013.75 : 607,219.02 = 238,809.75 : x
  2. Step 2: Convert to fraction form
    440,013.75/607,219.02 = 238,809.75/x
  3. Step 3: Cross multiply
    440,013.75x = 607,219.02 × 238,809.75
  4. Step 4: Simplify right side
    440,013.75x = 145,009,822,361.45
  5. Step 5: Solve for x
    x = 145,009,822,361.45/440,013.75
  6. Step 6: Final answer
    x = 329,557.48

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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.