Home / 1,501,980.39-2,253,109.09-491,107.53

Finding the Fourth Proportional to 1,501,980.39, 2,253,109.09 and 491,107.53

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Solution

The fourth proportional to 1,501,980.39, 2,253,109.09 and 491,107.53 is: 736,706.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,980.39 : 2,253,109.09 = 491,107.53 : x
  2. Step 2: Convert to fraction form
    1,501,980.39/2,253,109.09 = 491,107.53/x
  3. Step 3: Cross multiply
    1,501,980.39x = 2,253,109.09 × 491,107.53
  4. Step 4: Simplify right side
    1,501,980.39x = 1,106,518,840,010.45
  5. Step 5: Solve for x
    x = 1,106,518,840,010.45/1,501,980.39
  6. Step 6: Final answer
    x = 736,706.58

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1.5x scale

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.