Home / 772,906.24-1,158,798.86-519,558.36

Finding the Fourth Proportional to 772,906.24, 1,158,798.86 and 519,558.36

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Solution

The fourth proportional to 772,906.24, 1,158,798.86 and 519,558.36 is: 778,960.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,906.24 : 1,158,798.86 = 519,558.36 : x
  2. Step 2: Convert to fraction form
    772,906.24/1,158,798.86 = 519,558.36/x
  3. Step 3: Cross multiply
    772,906.24x = 1,158,798.86 × 519,558.36
  4. Step 4: Simplify right side
    772,906.24x = 602,063,635,271.47
  5. Step 5: Solve for x
    x = 602,063,635,271.47/772,906.24
  6. Step 6: Final answer
    x = 778,960.76

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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.