Home / 1,326,865.18-1,989,119.39-517,062.01

Finding the Fourth Proportional to 1,326,865.18, 1,989,119.39 and 517,062.01

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Solution

The fourth proportional to 1,326,865.18, 1,989,119.39 and 517,062.01 is: 775,133.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,865.18 : 1,989,119.39 = 517,062.01 : x
  2. Step 2: Convert to fraction form
    1,326,865.18/1,989,119.39 = 517,062.01/x
  3. Step 3: Cross multiply
    1,326,865.18x = 1,989,119.39 × 517,062.01
  4. Step 4: Simplify right side
    1,326,865.18x = 1,028,498,069,923.37
  5. Step 5: Solve for x
    x = 1,028,498,069,923.37/1,326,865.18
  6. Step 6: Final answer
    x = 775,133.82

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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.