Home / 1,314,447.40-1,970,115.90-556,287.40

Finding the Fourth Proportional to 1,314,447.40, 1,970,115.90 and 556,287.40

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Solution

The fourth proportional to 1,314,447.40, 1,970,115.90 and 556,287.40 is: 833,772.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,447.40 : 1,970,115.90 = 556,287.40 : x
  2. Step 2: Convert to fraction form
    1,314,447.40/1,970,115.90 = 556,287.40/x
  3. Step 3: Cross multiply
    1,314,447.40x = 1,970,115.90 × 556,287.40
  4. Step 4: Simplify right side
    1,314,447.40x = 1,095,950,651,709.66
  5. Step 5: Solve for x
    x = 1,095,950,651,709.66/1,314,447.40
  6. Step 6: Final answer
    x = 833,772.92

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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.