Home / 1,153,047.11-1,591,868.90-766,386.73

Finding the Fourth Proportional to 1,153,047.11, 1,591,868.90 and 766,386.73

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Solution

The fourth proportional to 1,153,047.11, 1,591,868.90 and 766,386.73 is: 1,058,054.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,047.11 : 1,591,868.90 = 766,386.73 : x
  2. Step 2: Convert to fraction form
    1,153,047.11/1,591,868.90 = 766,386.73/x
  3. Step 3: Cross multiply
    1,153,047.11x = 1,591,868.90 × 766,386.73
  4. Step 4: Simplify right side
    1,153,047.11x = 1,219,987,198,795.99
  5. Step 5: Solve for x
    x = 1,219,987,198,795.99/1,153,047.11
  6. Step 6: Final answer
    x = 1,058,054.94

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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.