Home / 1,039,100.60-1,557,786.90-440,521.40

Finding the Fourth Proportional to 1,039,100.60, 1,557,786.90 and 440,521.40

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Solution

The fourth proportional to 1,039,100.60, 1,557,786.90 and 440,521.40 is: 660,415.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,100.60 : 1,557,786.90 = 440,521.40 : x
  2. Step 2: Convert to fraction form
    1,039,100.60/1,557,786.90 = 440,521.40/x
  3. Step 3: Cross multiply
    1,039,100.60x = 1,557,786.90 × 440,521.40
  4. Step 4: Simplify right side
    1,039,100.60x = 686,238,466,089.66
  5. Step 5: Solve for x
    x = 686,238,466,089.66/1,039,100.60
  6. Step 6: Final answer
    x = 660,415.81

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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.