Home / 1,176,645.52-1,765,143.24-545,623.12

Finding the Fourth Proportional to 1,176,645.52, 1,765,143.24 and 545,623.12

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Solution

The fourth proportional to 1,176,645.52, 1,765,143.24 and 545,623.12 is: 818,515.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,645.52 : 1,765,143.24 = 545,623.12 : x
  2. Step 2: Convert to fraction form
    1,176,645.52/1,765,143.24 = 545,623.12/x
  3. Step 3: Cross multiply
    1,176,645.52x = 1,765,143.24 × 545,623.12
  4. Step 4: Simplify right side
    1,176,645.52x = 963,102,961,855.71
  5. Step 5: Solve for x
    x = 963,102,961,855.71/1,176,645.52
  6. Step 6: Final answer
    x = 818,515.81

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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.