Home / 755,144.40-1,132,716.60-742,022.40

Finding the Fourth Proportional to 755,144.40, 1,132,716.60 and 742,022.40

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Solution

The fourth proportional to 755,144.40, 1,132,716.60 and 742,022.40 is: 1,113,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,144.40 : 1,132,716.60 = 742,022.40 : x
  2. Step 2: Convert to fraction form
    755,144.40/1,132,716.60 = 742,022.40/x
  3. Step 3: Cross multiply
    755,144.40x = 1,132,716.60 × 742,022.40
  4. Step 4: Simplify right side
    755,144.40x = 840,501,090,051.84
  5. Step 5: Solve for x
    x = 840,501,090,051.84/755,144.40
  6. Step 6: Final answer
    x = 1,113,033.60

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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.