Home / 766,640.68-1,144,570.61-585,779.56

Finding the Fourth Proportional to 766,640.68, 1,144,570.61 and 585,779.56

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Solution

The fourth proportional to 766,640.68, 1,144,570.61 and 585,779.56 is: 874,550.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,640.68 : 1,144,570.61 = 585,779.56 : x
  2. Step 2: Convert to fraction form
    766,640.68/1,144,570.61 = 585,779.56/x
  3. Step 3: Cross multiply
    766,640.68x = 1,144,570.61 × 585,779.56
  4. Step 4: Simplify right side
    766,640.68x = 670,466,068,314.73
  5. Step 5: Solve for x
    x = 670,466,068,314.73/766,640.68
  6. Step 6: Final answer
    x = 874,550.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.