Home / 440,583.60-607,997.84-239,378.16

Finding the Fourth Proportional to 440,583.60, 607,997.84 and 239,378.16

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Solution

The fourth proportional to 440,583.60, 607,997.84 and 239,378.16 is: 330,337.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,583.60 : 607,997.84 = 239,378.16 : x
  2. Step 2: Convert to fraction form
    440,583.60/607,997.84 = 239,378.16/x
  3. Step 3: Cross multiply
    440,583.60x = 607,997.84 × 239,378.16
  4. Step 4: Simplify right side
    440,583.60x = 145,541,404,223.17
  5. Step 5: Solve for x
    x = 145,541,404,223.17/440,583.60
  6. Step 6: Final answer
    x = 330,337.77

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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.