Home / 786,065.58-1,085,593.89-541,685.76

Finding the Fourth Proportional to 786,065.58, 1,085,593.89 and 541,685.76

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Solution

The fourth proportional to 786,065.58, 1,085,593.89 and 541,685.76 is: 748,093.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,065.58 : 1,085,593.89 = 541,685.76 : x
  2. Step 2: Convert to fraction form
    786,065.58/1,085,593.89 = 541,685.76/x
  3. Step 3: Cross multiply
    786,065.58x = 1,085,593.89 × 541,685.76
  4. Step 4: Simplify right side
    786,065.58x = 588,050,751,356.01
  5. Step 5: Solve for x
    x = 588,050,751,356.01/786,065.58
  6. Step 6: Final answer
    x = 748,093.75

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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.