Home / 1,172,266.27-1,758,153.36-330,621.19

Finding the Fourth Proportional to 1,172,266.27, 1,758,153.36 and 330,621.19

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Solution

The fourth proportional to 1,172,266.27, 1,758,153.36 and 330,621.19 is: 495,862.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,266.27 : 1,758,153.36 = 330,621.19 : x
  2. Step 2: Convert to fraction form
    1,172,266.27/1,758,153.36 = 330,621.19/x
  3. Step 3: Cross multiply
    1,172,266.27x = 1,758,153.36 × 330,621.19
  4. Step 4: Simplify right side
    1,172,266.27x = 581,282,756,085.70
  5. Step 5: Solve for x
    x = 581,282,756,085.70/1,172,266.27
  6. Step 6: Final answer
    x = 495,862.39

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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.