Home / 984,127.80-1,358,090.10-554,546.28

Finding the Fourth Proportional to 984,127.80, 1,358,090.10 and 554,546.28

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Solution

The fourth proportional to 984,127.80, 1,358,090.10 and 554,546.28 is: 765,270.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,127.80 : 1,358,090.10 = 554,546.28 : x
  2. Step 2: Convert to fraction form
    984,127.80/1,358,090.10 = 554,546.28/x
  3. Step 3: Cross multiply
    984,127.80x = 1,358,090.10 × 554,546.28
  4. Step 4: Simplify right side
    984,127.80x = 753,123,812,859.83
  5. Step 5: Solve for x
    x = 753,123,812,859.83/984,127.80
  6. Step 6: Final answer
    x = 765,270.34

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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.