Home / 1,316,469.58-1,816,724.91-712,857.58

Finding the Fourth Proportional to 1,316,469.58, 1,816,724.91 and 712,857.58

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Solution

The fourth proportional to 1,316,469.58, 1,816,724.91 and 712,857.58 is: 983,741.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,469.58 : 1,816,724.91 = 712,857.58 : x
  2. Step 2: Convert to fraction form
    1,316,469.58/1,816,724.91 = 712,857.58/x
  3. Step 3: Cross multiply
    1,316,469.58x = 1,816,724.91 × 712,857.58
  4. Step 4: Simplify right side
    1,316,469.58x = 1,295,066,122,868.32
  5. Step 5: Solve for x
    x = 1,295,066,122,868.32/1,316,469.58
  6. Step 6: Final answer
    x = 983,741.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.