Home / 1,281,805.70-1,922,881.35-440,615.30

Finding the Fourth Proportional to 1,281,805.70, 1,922,881.35 and 440,615.30

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Solution

The fourth proportional to 1,281,805.70, 1,922,881.35 and 440,615.30 is: 660,982.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,805.70 : 1,922,881.35 = 440,615.30 : x
  2. Step 2: Convert to fraction form
    1,281,805.70/1,922,881.35 = 440,615.30/x
  3. Step 3: Cross multiply
    1,281,805.70x = 1,922,881.35 × 440,615.30
  4. Step 4: Simplify right side
    1,281,805.70x = 847,250,942,894.66
  5. Step 5: Solve for x
    x = 847,250,942,894.66/1,281,805.70
  6. Step 6: Final answer
    x = 660,982.35

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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.