Home / 961,003.51-1,324,547.24-879,555.65

Finding the Fourth Proportional to 961,003.51, 1,324,547.24 and 879,555.65

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Solution

The fourth proportional to 961,003.51, 1,324,547.24 and 879,555.65 is: 1,212,287.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,003.51 : 1,324,547.24 = 879,555.65 : x
  2. Step 2: Convert to fraction form
    961,003.51/1,324,547.24 = 879,555.65/x
  3. Step 3: Cross multiply
    961,003.51x = 1,324,547.24 × 879,555.65
  4. Step 4: Simplify right side
    961,003.51x = 1,165,012,997,613.39
  5. Step 5: Solve for x
    x = 1,165,012,997,613.39/961,003.51
  6. Step 6: Final answer
    x = 1,212,287.98

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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.