Home / 1,079,089.82-1,489,135.56-595,655.12

Finding the Fourth Proportional to 1,079,089.82, 1,489,135.56 and 595,655.12

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Solution

The fourth proportional to 1,079,089.82, 1,489,135.56 and 595,655.12 is: 821,999.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,089.82 : 1,489,135.56 = 595,655.12 : x
  2. Step 2: Convert to fraction form
    1,079,089.82/1,489,135.56 = 595,655.12/x
  3. Step 3: Cross multiply
    1,079,089.82x = 1,489,135.56 × 595,655.12
  4. Step 4: Simplify right side
    1,079,089.82x = 887,011,220,688.07
  5. Step 5: Solve for x
    x = 887,011,220,688.07/1,079,089.82
  6. Step 6: Final answer
    x = 821,999.43

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Double scale
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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.