Home / 612,175.29-844,816.26-340,254.65

Finding the Fourth Proportional to 612,175.29, 844,816.26 and 340,254.65

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Solution

The fourth proportional to 612,175.29, 844,816.26 and 340,254.65 is: 469,559.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,175.29 : 844,816.26 = 340,254.65 : x
  2. Step 2: Convert to fraction form
    612,175.29/844,816.26 = 340,254.65/x
  3. Step 3: Cross multiply
    612,175.29x = 844,816.26 × 340,254.65
  4. Step 4: Simplify right side
    612,175.29x = 287,452,656,636.53
  5. Step 5: Solve for x
    x = 287,452,656,636.53/612,175.29
  6. Step 6: Final answer
    x = 469,559.39

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1.5x scale

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.