Home / 772,236.83-1,065,054.96-543,551.15

Finding the Fourth Proportional to 772,236.83, 1,065,054.96 and 543,551.15

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Solution

The fourth proportional to 772,236.83, 1,065,054.96 and 543,551.15 is: 749,655.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,236.83 : 1,065,054.96 = 543,551.15 : x
  2. Step 2: Convert to fraction form
    772,236.83/1,065,054.96 = 543,551.15/x
  3. Step 3: Cross multiply
    772,236.83x = 1,065,054.96 × 543,551.15
  4. Step 4: Simplify right side
    772,236.83x = 578,911,842,995.93
  5. Step 5: Solve for x
    x = 578,911,842,995.93/772,236.83
  6. Step 6: Final answer
    x = 749,655.84

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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.