Home / 1,115,966.21-1,674,164.78-476,260.61

Finding the Fourth Proportional to 1,115,966.21, 1,674,164.78 and 476,260.61

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Solution

The fourth proportional to 1,115,966.21, 1,674,164.78 and 476,260.61 is: 714,482.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,966.21 : 1,674,164.78 = 476,260.61 : x
  2. Step 2: Convert to fraction form
    1,115,966.21/1,674,164.78 = 476,260.61/x
  3. Step 3: Cross multiply
    1,115,966.21x = 1,674,164.78 × 476,260.61
  4. Step 4: Simplify right side
    1,115,966.21x = 797,338,736,982.01
  5. Step 5: Solve for x
    x = 797,338,736,982.01/1,115,966.21
  6. Step 6: Final answer
    x = 714,482.87

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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.