Home / 1,577,260.40-2,364,879.90-666,195.84

Finding the Fourth Proportional to 1,577,260.40, 2,364,879.90 and 666,195.84

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Solution

The fourth proportional to 1,577,260.40, 2,364,879.90 and 666,195.84 is: 998,866.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,260.40 : 2,364,879.90 = 666,195.84 : x
  2. Step 2: Convert to fraction form
    1,577,260.40/2,364,879.90 = 666,195.84/x
  3. Step 3: Cross multiply
    1,577,260.40x = 2,364,879.90 × 666,195.84
  4. Step 4: Simplify right side
    1,577,260.40x = 1,575,473,151,479.62
  5. Step 5: Solve for x
    x = 1,575,473,151,479.62/1,577,260.40
  6. Step 6: Final answer
    x = 998,866.87

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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.