Home / 1,006,731.12-1,389,288-554,022.12

Finding the Fourth Proportional to 1,006,731.12, 1,389,288 and 554,022.12

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Solution

The fourth proportional to 1,006,731.12, 1,389,288 and 554,022.12 is: 764,550.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,731.12 : 1,389,288 = 554,022.12 : x
  2. Step 2: Convert to fraction form
    1,006,731.12/1,389,288 = 554,022.12/x
  3. Step 3: Cross multiply
    1,006,731.12x = 1,389,288 × 554,022.12
  4. Step 4: Simplify right side
    1,006,731.12x = 769,696,283,050.56
  5. Step 5: Solve for x
    x = 769,696,283,050.56/1,006,731.12
  6. Step 6: Final answer
    x = 764,550.01

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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.