Home / 785,657.82-1,084,127.01-441,439.06

Finding the Fourth Proportional to 785,657.82, 1,084,127.01 and 441,439.06

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Solution

The fourth proportional to 785,657.82, 1,084,127.01 and 441,439.06 is: 609,140.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,657.82 : 1,084,127.01 = 441,439.06 : x
  2. Step 2: Convert to fraction form
    785,657.82/1,084,127.01 = 441,439.06/x
  3. Step 3: Cross multiply
    785,657.82x = 1,084,127.01 × 441,439.06
  4. Step 4: Simplify right side
    785,657.82x = 478,576,005,504.69
  5. Step 5: Solve for x
    x = 478,576,005,504.69/785,657.82
  6. Step 6: Final answer
    x = 609,140.51

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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.