Home / 772,948.80-1,158,040.80-654,062.40

Finding the Fourth Proportional to 772,948.80, 1,158,040.80 and 654,062.40

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Solution

The fourth proportional to 772,948.80, 1,158,040.80 and 654,062.40 is: 979,923.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,948.80 : 1,158,040.80 = 654,062.40 : x
  2. Step 2: Convert to fraction form
    772,948.80/1,158,040.80 = 654,062.40/x
  3. Step 3: Cross multiply
    772,948.80x = 1,158,040.80 × 654,062.40
  4. Step 4: Simplify right side
    772,948.80x = 757,430,944,945.92
  5. Step 5: Solve for x
    x = 757,430,944,945.92/772,948.80
  6. Step 6: Final answer
    x = 979,923.83

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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.