Home / 1,000,678.24-1,380,909.04-570,950.56

Finding the Fourth Proportional to 1,000,678.24, 1,380,909.04 and 570,950.56

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Solution

The fourth proportional to 1,000,678.24, 1,380,909.04 and 570,950.56 is: 787,896.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,678.24 : 1,380,909.04 = 570,950.56 : x
  2. Step 2: Convert to fraction form
    1,000,678.24/1,380,909.04 = 570,950.56/x
  3. Step 3: Cross multiply
    1,000,678.24x = 1,380,909.04 × 570,950.56
  4. Step 4: Simplify right side
    1,000,678.24x = 788,430,789,697.06
  5. Step 5: Solve for x
    x = 788,430,789,697.06/1,000,678.24
  6. Step 6: Final answer
    x = 787,896.41

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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.