Home / 772,953.30-1,158,047.55-654,066.90

Finding the Fourth Proportional to 772,953.30, 1,158,047.55 and 654,066.90

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Solution

The fourth proportional to 772,953.30, 1,158,047.55 and 654,066.90 is: 979,930.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,953.30 : 1,158,047.55 = 654,066.90 : x
  2. Step 2: Convert to fraction form
    772,953.30/1,158,047.55 = 654,066.90/x
  3. Step 3: Cross multiply
    772,953.30x = 1,158,047.55 × 654,066.90
  4. Step 4: Simplify right side
    772,953.30x = 757,440,571,081.10
  5. Step 5: Solve for x
    x = 757,440,571,081.10/772,953.30
  6. Step 6: Final answer
    x = 979,930.57

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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.