Home / 1,186,087.04-1,778,863.76-545,776.57

Finding the Fourth Proportional to 1,186,087.04, 1,778,863.76 and 545,776.57

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Solution

The fourth proportional to 1,186,087.04, 1,778,863.76 and 545,776.57 is: 818,542.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,087.04 : 1,778,863.76 = 545,776.57 : x
  2. Step 2: Convert to fraction form
    1,186,087.04/1,778,863.76 = 545,776.57/x
  3. Step 3: Cross multiply
    1,186,087.04x = 1,778,863.76 × 545,776.57
  4. Step 4: Simplify right side
    1,186,087.04x = 970,862,161,430.10
  5. Step 5: Solve for x
    x = 970,862,161,430.10/1,186,087.04
  6. Step 6: Final answer
    x = 818,542.09

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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.