Home / 919,194.40-1,378,791.60-877,860.10

Finding the Fourth Proportional to 919,194.40, 1,378,791.60 and 877,860.10

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Solution

The fourth proportional to 919,194.40, 1,378,791.60 and 877,860.10 is: 1,316,790.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,194.40 : 1,378,791.60 = 877,860.10 : x
  2. Step 2: Convert to fraction form
    919,194.40/1,378,791.60 = 877,860.10/x
  3. Step 3: Cross multiply
    919,194.40x = 1,378,791.60 × 877,860.10
  4. Step 4: Simplify right side
    919,194.40x = 1,210,386,131,855.16
  5. Step 5: Solve for x
    x = 1,210,386,131,855.16/919,194.40
  6. Step 6: Final answer
    x = 1,316,790.15

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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.