Home / 780,705.12-1,077,359.06-441,166.08

Finding the Fourth Proportional to 780,705.12, 1,077,359.06 and 441,166.08

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Solution

The fourth proportional to 780,705.12, 1,077,359.06 and 441,166.08 is: 608,801.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,705.12 : 1,077,359.06 = 441,166.08 : x
  2. Step 2: Convert to fraction form
    780,705.12/1,077,359.06 = 441,166.08/x
  3. Step 3: Cross multiply
    780,705.12x = 1,077,359.06 × 441,166.08
  4. Step 4: Simplify right side
    780,705.12x = 475,294,273,252.69
  5. Step 5: Solve for x
    x = 475,294,273,252.69/780,705.12
  6. Step 6: Final answer
    x = 608,801.28

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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.