Home / 881,170.51-1,216,075.44-499,200.43

Finding the Fourth Proportional to 881,170.51, 1,216,075.44 and 499,200.43

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Solution

The fourth proportional to 881,170.51, 1,216,075.44 and 499,200.43 is: 688,930.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,170.51 : 1,216,075.44 = 499,200.43 : x
  2. Step 2: Convert to fraction form
    881,170.51/1,216,075.44 = 499,200.43/x
  3. Step 3: Cross multiply
    881,170.51x = 1,216,075.44 × 499,200.43
  4. Step 4: Simplify right side
    881,170.51x = 607,065,382,560.44
  5. Step 5: Solve for x
    x = 607,065,382,560.44/881,170.51
  6. Step 6: Final answer
    x = 688,930.66

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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.