Home / 1,196,321.80-1,650,916.49-680,075.71

Finding the Fourth Proportional to 1,196,321.80, 1,650,916.49 and 680,075.71

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Solution

The fourth proportional to 1,196,321.80, 1,650,916.49 and 680,075.71 is: 938,500.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,321.80 : 1,650,916.49 = 680,075.71 : x
  2. Step 2: Convert to fraction form
    1,196,321.80/1,650,916.49 = 680,075.71/x
  3. Step 3: Cross multiply
    1,196,321.80x = 1,650,916.49 × 680,075.71
  4. Step 4: Simplify right side
    1,196,321.80x = 1,122,748,211,584.33
  5. Step 5: Solve for x
    x = 1,122,748,211,584.33/1,196,321.80
  6. Step 6: Final answer
    x = 938,500.17

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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.