Home / 1,006,709.06-1,389,257.70-554,000.06

Finding the Fourth Proportional to 1,006,709.06, 1,389,257.70 and 554,000.06

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Solution

The fourth proportional to 1,006,709.06, 1,389,257.70 and 554,000.06 is: 764,519.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,709.06 : 1,389,257.70 = 554,000.06 : x
  2. Step 2: Convert to fraction form
    1,006,709.06/1,389,257.70 = 554,000.06/x
  3. Step 3: Cross multiply
    1,006,709.06x = 1,389,257.70 × 554,000.06
  4. Step 4: Simplify right side
    1,006,709.06x = 769,648,849,155.46
  5. Step 5: Solve for x
    x = 769,648,849,155.46/1,006,709.06
  6. Step 6: Final answer
    x = 764,519.64

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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.