Home / 440,176.50-607,443.57-238,972.50

Finding the Fourth Proportional to 440,176.50, 607,443.57 and 238,972.50

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Solution

The fourth proportional to 440,176.50, 607,443.57 and 238,972.50 is: 329,782.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,176.50 : 607,443.57 = 238,972.50 : x
  2. Step 2: Convert to fraction form
    440,176.50/607,443.57 = 238,972.50/x
  3. Step 3: Cross multiply
    440,176.50x = 607,443.57 × 238,972.50
  4. Step 4: Simplify right side
    440,176.50x = 145,162,308,531.83
  5. Step 5: Solve for x
    x = 145,162,308,531.83/440,176.50
  6. Step 6: Final answer
    x = 329,782.05

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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.