Home / 668,888.01-1,002,905.19-440,920.56

Finding the Fourth Proportional to 668,888.01, 1,002,905.19 and 440,920.56

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Solution

The fourth proportional to 668,888.01, 1,002,905.19 and 440,920.56 is: 661,099.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,888.01 : 1,002,905.19 = 440,920.56 : x
  2. Step 2: Convert to fraction form
    668,888.01/1,002,905.19 = 440,920.56/x
  3. Step 3: Cross multiply
    668,888.01x = 1,002,905.19 × 440,920.56
  4. Step 4: Simplify right side
    668,888.01x = 442,201,518,001.71
  5. Step 5: Solve for x
    x = 442,201,518,001.71/668,888.01
  6. Step 6: Final answer
    x = 661,099.48

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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.