Home / 1,286,023.77-1,928,641.71-889,214.49

Finding the Fourth Proportional to 1,286,023.77, 1,928,641.71 and 889,214.49

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Solution

The fourth proportional to 1,286,023.77, 1,928,641.71 and 889,214.49 is: 1,333,549.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,023.77 : 1,928,641.71 = 889,214.49 : x
  2. Step 2: Convert to fraction form
    1,286,023.77/1,928,641.71 = 889,214.49/x
  3. Step 3: Cross multiply
    1,286,023.77x = 1,928,641.71 × 889,214.49
  4. Step 4: Simplify right side
    1,286,023.77x = 1,714,976,154,550.38
  5. Step 5: Solve for x
    x = 1,714,976,154,550.38/1,286,023.77
  6. Step 6: Final answer
    x = 1,333,549.34

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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.