Home / 1,010,477.24-1,394,458.38-557,768.12

Finding the Fourth Proportional to 1,010,477.24, 1,394,458.38 and 557,768.12

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Solution

The fourth proportional to 1,010,477.24, 1,394,458.38 and 557,768.12 is: 769,719.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,477.24 : 1,394,458.38 = 557,768.12 : x
  2. Step 2: Convert to fraction form
    1,010,477.24/1,394,458.38 = 557,768.12/x
  3. Step 3: Cross multiply
    1,010,477.24x = 1,394,458.38 × 557,768.12
  4. Step 4: Simplify right side
    1,010,477.24x = 777,784,429,030.85
  5. Step 5: Solve for x
    x = 777,784,429,030.85/1,010,477.24
  6. Step 6: Final answer
    x = 769,719.89

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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.