Home / 841,777.67-1,161,711.78-479,201.46

Finding the Fourth Proportional to 841,777.67, 1,161,711.78 and 479,201.46

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Solution

The fourth proportional to 841,777.67, 1,161,711.78 and 479,201.46 is: 661,331.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,777.67 : 1,161,711.78 = 479,201.46 : x
  2. Step 2: Convert to fraction form
    841,777.67/1,161,711.78 = 479,201.46/x
  3. Step 3: Cross multiply
    841,777.67x = 1,161,711.78 × 479,201.46
  4. Step 4: Simplify right side
    841,777.67x = 556,693,981,075.20
  5. Step 5: Solve for x
    x = 556,693,981,075.20/841,777.67
  6. Step 6: Final answer
    x = 661,331.37

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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.