Home / 1,006,709.82-1,389,259.79-554,000.82

Finding the Fourth Proportional to 1,006,709.82, 1,389,259.79 and 554,000.82

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Solution

The fourth proportional to 1,006,709.82, 1,389,259.79 and 554,000.82 is: 764,521.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,709.82 : 1,389,259.79 = 554,000.82 : x
  2. Step 2: Convert to fraction form
    1,006,709.82/1,389,259.79 = 554,000.82/x
  3. Step 3: Cross multiply
    1,006,709.82x = 1,389,259.79 × 554,000.82
  4. Step 4: Simplify right side
    1,006,709.82x = 769,651,060,083.02
  5. Step 5: Solve for x
    x = 769,651,060,083.02/1,006,709.82
  6. Step 6: Final answer
    x = 764,521.26

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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.