Home / 1,119,561.09-1,544,936-636,059.13

Finding the Fourth Proportional to 1,119,561.09, 1,544,936 and 636,059.13

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Solution

The fourth proportional to 1,119,561.09, 1,544,936 and 636,059.13 is: 877,728.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,561.09 : 1,544,936 = 636,059.13 : x
  2. Step 2: Convert to fraction form
    1,119,561.09/1,544,936 = 636,059.13/x
  3. Step 3: Cross multiply
    1,119,561.09x = 1,544,936 × 636,059.13
  4. Step 4: Simplify right side
    1,119,561.09x = 982,670,648,065.68
  5. Step 5: Solve for x
    x = 982,670,648,065.68/1,119,561.09
  6. Step 6: Final answer
    x = 877,728.47

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Double scale
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Similar ratio
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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.