Home / 440,661.16-608,087.46-239,455.72

Finding the Fourth Proportional to 440,661.16, 608,087.46 and 239,455.72

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Solution

The fourth proportional to 440,661.16, 608,087.46 and 239,455.72 is: 330,435.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,661.16 : 608,087.46 = 239,455.72 : x
  2. Step 2: Convert to fraction form
    440,661.16/608,087.46 = 239,455.72/x
  3. Step 3: Cross multiply
    440,661.16x = 608,087.46 × 239,455.72
  4. Step 4: Simplify right side
    440,661.16x = 145,610,020,557.27
  5. Step 5: Solve for x
    x = 145,610,020,557.27/440,661.16
  6. Step 6: Final answer
    x = 330,435.34

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Half scale
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Double scale
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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.