Home / 1,689,173.80-2,331,291.75-1,035,684.22

Finding the Fourth Proportional to 1,689,173.80, 2,331,291.75 and 1,035,684.22

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Solution

The fourth proportional to 1,689,173.80, 2,331,291.75 and 1,035,684.22 is: 1,429,386.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,173.80 : 2,331,291.75 = 1,035,684.22 : x
  2. Step 2: Convert to fraction form
    1,689,173.80/2,331,291.75 = 1,035,684.22/x
  3. Step 3: Cross multiply
    1,689,173.80x = 2,331,291.75 × 1,035,684.22
  4. Step 4: Simplify right side
    1,689,173.80x = 2,414,482,066,034.73
  5. Step 5: Solve for x
    x = 2,414,482,066,034.73/1,689,173.80
  6. Step 6: Final answer
    x = 1,429,386.41

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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.