Home / 1,305,361.47-1,958,443.07-623,118.90

Finding the Fourth Proportional to 1,305,361.47, 1,958,443.07 and 623,118.90

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Solution

The fourth proportional to 1,305,361.47, 1,958,443.07 and 623,118.90 is: 934,869.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,361.47 : 1,958,443.07 = 623,118.90 : x
  2. Step 2: Convert to fraction form
    1,305,361.47/1,958,443.07 = 623,118.90/x
  3. Step 3: Cross multiply
    1,305,361.47x = 1,958,443.07 × 623,118.90
  4. Step 4: Simplify right side
    1,305,361.47x = 1,220,342,891,491.02
  5. Step 5: Solve for x
    x = 1,220,342,891,491.02/1,305,361.47
  6. Step 6: Final answer
    x = 934,869.70

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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.