Home / 626,176.12-864,124.66-339,696.18

Finding the Fourth Proportional to 626,176.12, 864,124.66 and 339,696.18

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Solution

The fourth proportional to 626,176.12, 864,124.66 and 339,696.18 is: 468,781.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,176.12 : 864,124.66 = 339,696.18 : x
  2. Step 2: Convert to fraction form
    626,176.12/864,124.66 = 339,696.18/x
  3. Step 3: Cross multiply
    626,176.12x = 864,124.66 × 339,696.18
  4. Step 4: Simplify right side
    626,176.12x = 293,539,844,559.63
  5. Step 5: Solve for x
    x = 293,539,844,559.63/626,176.12
  6. Step 6: Final answer
    x = 468,781.60

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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.