Home / 1,047,768.48-1,571,641.20-627,161.76

Finding the Fourth Proportional to 1,047,768.48, 1,571,641.20 and 627,161.76

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Solution

The fourth proportional to 1,047,768.48, 1,571,641.20 and 627,161.76 is: 940,735.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,768.48 : 1,571,641.20 = 627,161.76 : x
  2. Step 2: Convert to fraction form
    1,047,768.48/1,571,641.20 = 627,161.76/x
  3. Step 3: Cross multiply
    1,047,768.48x = 1,571,641.20 × 627,161.76
  4. Step 4: Simplify right side
    1,047,768.48x = 985,673,261,080.51
  5. Step 5: Solve for x
    x = 985,673,261,080.51/1,047,768.48
  6. Step 6: Final answer
    x = 940,735.74

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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.