Home / 1,010,340.80-1,394,171.07-557,602.64

Finding the Fourth Proportional to 1,010,340.80, 1,394,171.07 and 557,602.64

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Solution

The fourth proportional to 1,010,340.80, 1,394,171.07 and 557,602.64 is: 769,436.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,340.80 : 1,394,171.07 = 557,602.64 : x
  2. Step 2: Convert to fraction form
    1,010,340.80/1,394,171.07 = 557,602.64/x
  3. Step 3: Cross multiply
    1,010,340.80x = 1,394,171.07 × 557,602.64
  4. Step 4: Simplify right side
    1,010,340.80x = 777,393,470,638.04
  5. Step 5: Solve for x
    x = 777,393,470,638.04/1,010,340.80
  6. Step 6: Final answer
    x = 769,436.88

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1.5x scale

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.