Home / 772,249.23-1,065,072.03-543,563.55

Finding the Fourth Proportional to 772,249.23, 1,065,072.03 and 543,563.55

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Solution

The fourth proportional to 772,249.23, 1,065,072.03 and 543,563.55 is: 749,672.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,249.23 : 1,065,072.03 = 543,563.55 : x
  2. Step 2: Convert to fraction form
    772,249.23/1,065,072.03 = 543,563.55/x
  3. Step 3: Cross multiply
    772,249.23x = 1,065,072.03 × 543,563.55
  4. Step 4: Simplify right side
    772,249.23x = 578,934,333,632.51
  5. Step 5: Solve for x
    x = 578,934,333,632.51/772,249.23
  6. Step 6: Final answer
    x = 749,672.92

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1.5x scale

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.