Home / 517,512.06-776,268.03-143,535.06

Finding the Fourth Proportional to 517,512.06, 776,268.03 and 143,535.06

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Solution

The fourth proportional to 517,512.06, 776,268.03 and 143,535.06 is: 215,302.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,512.06 : 776,268.03 = 143,535.06 : x
  2. Step 2: Convert to fraction form
    517,512.06/776,268.03 = 143,535.06/x
  3. Step 3: Cross multiply
    517,512.06x = 776,268.03 × 143,535.06
  4. Step 4: Simplify right side
    517,512.06x = 111,421,678,262.13
  5. Step 5: Solve for x
    x = 111,421,678,262.13/517,512.06
  6. Step 6: Final answer
    x = 215,302.57

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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.