Home / 1,526,722.40-2,290,443.24-461,773.28

Finding the Fourth Proportional to 1,526,722.40, 2,290,443.24 and 461,773.28

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Solution

The fourth proportional to 1,526,722.40, 2,290,443.24 and 461,773.28 is: 692,768.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526,722.40 : 2,290,443.24 = 461,773.28 : x
  2. Step 2: Convert to fraction form
    1,526,722.40/2,290,443.24 = 461,773.28/x
  3. Step 3: Cross multiply
    1,526,722.40x = 2,290,443.24 × 461,773.28
  4. Step 4: Simplify right side
    1,526,722.40x = 1,057,665,487,588.63
  5. Step 5: Solve for x
    x = 1,057,665,487,588.63/1,526,722.40
  6. Step 6: Final answer
    x = 692,768.70

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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.