Home / 1,101,975.40-1,520,764.12-611,953.16

Finding the Fourth Proportional to 1,101,975.40, 1,520,764.12 and 611,953.16

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Solution

The fourth proportional to 1,101,975.40, 1,520,764.12 and 611,953.16 is: 844,516.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,975.40 : 1,520,764.12 = 611,953.16 : x
  2. Step 2: Convert to fraction form
    1,101,975.40/1,520,764.12 = 611,953.16/x
  3. Step 3: Cross multiply
    1,101,975.40x = 1,520,764.12 × 611,953.16
  4. Step 4: Simplify right side
    1,101,975.40x = 930,636,408,848.62
  5. Step 5: Solve for x
    x = 930,636,408,848.62/1,101,975.40
  6. Step 6: Final answer
    x = 844,516.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.