Home / 639,837.11-959,017.46-240,223.01

Finding the Fourth Proportional to 639,837.11, 959,017.46 and 240,223.01

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Solution

The fourth proportional to 639,837.11, 959,017.46 and 240,223.01 is: 360,057.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,837.11 : 959,017.46 = 240,223.01 : x
  2. Step 2: Convert to fraction form
    639,837.11/959,017.46 = 240,223.01/x
  3. Step 3: Cross multiply
    639,837.11x = 959,017.46 × 240,223.01
  4. Step 4: Simplify right side
    639,837.11x = 230,378,054,887.55
  5. Step 5: Solve for x
    x = 230,378,054,887.55/639,837.11
  6. Step 6: Final answer
    x = 360,057.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.