Home / 1,329,085.53-1,993,531.91-519,317.73

Finding the Fourth Proportional to 1,329,085.53, 1,993,531.91 and 519,317.73

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Solution

The fourth proportional to 1,329,085.53, 1,993,531.91 and 519,317.73 is: 778,938.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,085.53 : 1,993,531.91 = 519,317.73 : x
  2. Step 2: Convert to fraction form
    1,329,085.53/1,993,531.91 = 519,317.73/x
  3. Step 3: Cross multiply
    1,329,085.53x = 1,993,531.91 × 519,317.73
  4. Step 4: Simplify right side
    1,329,085.53x = 1,035,276,463,587.18
  5. Step 5: Solve for x
    x = 1,035,276,463,587.18/1,329,085.53
  6. Step 6: Final answer
    x = 778,938.93

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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.