Home / 767,116.69-1,059,075.14-681,998.65

Finding the Fourth Proportional to 767,116.69, 1,059,075.14 and 681,998.65

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Solution

The fourth proportional to 767,116.69, 1,059,075.14 and 681,998.65 is: 941,561.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,116.69 : 1,059,075.14 = 681,998.65 : x
  2. Step 2: Convert to fraction form
    767,116.69/1,059,075.14 = 681,998.65/x
  3. Step 3: Cross multiply
    767,116.69x = 1,059,075.14 × 681,998.65
  4. Step 4: Simplify right side
    767,116.69x = 722,287,809,670.88
  5. Step 5: Solve for x
    x = 722,287,809,670.88/767,116.69
  6. Step 6: Final answer
    x = 941,561.85

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Double scale
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1.5x scale

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.