Home / 1,424,531.80-2,136,789.54-359,569.48

Finding the Fourth Proportional to 1,424,531.80, 2,136,789.54 and 359,569.48

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Solution

The fourth proportional to 1,424,531.80, 2,136,789.54 and 359,569.48 is: 539,352.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,531.80 : 2,136,789.54 = 359,569.48 : x
  2. Step 2: Convert to fraction form
    1,424,531.80/2,136,789.54 = 359,569.48/x
  3. Step 3: Cross multiply
    1,424,531.80x = 2,136,789.54 × 359,569.48
  4. Step 4: Simplify right side
    1,424,531.80x = 768,324,303,767.24
  5. Step 5: Solve for x
    x = 768,324,303,767.24/1,424,531.80
  6. Step 6: Final answer
    x = 539,352.16

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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.