Home / 867,097.11-1,301,121.69-440,669.71

Finding the Fourth Proportional to 867,097.11, 1,301,121.69 and 440,669.71

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Solution

The fourth proportional to 867,097.11, 1,301,121.69 and 440,669.71 is: 661,246.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,097.11 : 1,301,121.69 = 440,669.71 : x
  2. Step 2: Convert to fraction form
    867,097.11/1,301,121.69 = 440,669.71/x
  3. Step 3: Cross multiply
    867,097.11x = 1,301,121.69 × 440,669.71
  4. Step 4: Simplify right side
    867,097.11x = 573,364,917,807.01
  5. Step 5: Solve for x
    x = 573,364,917,807.01/867,097.11
  6. Step 6: Final answer
    x = 661,246.49

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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.