Home / 1,473,164.70-2,209,747.05-763,410.30

Finding the Fourth Proportional to 1,473,164.70, 2,209,747.05 and 763,410.30

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Solution

The fourth proportional to 1,473,164.70, 2,209,747.05 and 763,410.30 is: 1,145,115.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473,164.70 : 2,209,747.05 = 763,410.30 : x
  2. Step 2: Convert to fraction form
    1,473,164.70/2,209,747.05 = 763,410.30/x
  3. Step 3: Cross multiply
    1,473,164.70x = 2,209,747.05 × 763,410.30
  4. Step 4: Simplify right side
    1,473,164.70x = 1,686,943,658,364.62
  5. Step 5: Solve for x
    x = 1,686,943,658,364.62/1,473,164.70
  6. Step 6: Final answer
    x = 1,145,115.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.