Home / 776,838.10-1,163,288.85-619,374.10

Finding the Fourth Proportional to 776,838.10, 1,163,288.85 and 619,374.10

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Solution

The fourth proportional to 776,838.10, 1,163,288.85 and 619,374.10 is: 927,491.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,838.10 : 1,163,288.85 = 619,374.10 : x
  2. Step 2: Convert to fraction form
    776,838.10/1,163,288.85 = 619,374.10/x
  3. Step 3: Cross multiply
    776,838.10x = 1,163,288.85 × 619,374.10
  4. Step 4: Simplify right side
    776,838.10x = 720,510,984,508.79
  5. Step 5: Solve for x
    x = 720,510,984,508.79/776,838.10
  6. Step 6: Final answer
    x = 927,491.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.