Home / 828,112.74-1,143,666.84-737,842.18

Finding the Fourth Proportional to 828,112.74, 1,143,666.84 and 737,842.18

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Solution

The fourth proportional to 828,112.74, 1,143,666.84 and 737,842.18 is: 1,018,998.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,112.74 : 1,143,666.84 = 737,842.18 : x
  2. Step 2: Convert to fraction form
    828,112.74/1,143,666.84 = 737,842.18/x
  3. Step 3: Cross multiply
    828,112.74x = 1,143,666.84 × 737,842.18
  4. Step 4: Simplify right side
    828,112.74x = 843,845,634,214.72
  5. Step 5: Solve for x
    x = 843,845,634,214.72/828,112.74
  6. Step 6: Final answer
    x = 1,018,998.49

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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.