Home / 776,385.77-1,164,816.34-397,574.72

Finding the Fourth Proportional to 776,385.77, 1,164,816.34 and 397,574.72

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Solution

The fourth proportional to 776,385.77, 1,164,816.34 and 397,574.72 is: 596,483.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,385.77 : 1,164,816.34 = 397,574.72 : x
  2. Step 2: Convert to fraction form
    776,385.77/1,164,816.34 = 397,574.72/x
  3. Step 3: Cross multiply
    776,385.77x = 1,164,816.34 × 397,574.72
  4. Step 4: Simplify right side
    776,385.77x = 463,101,522,414.97
  5. Step 5: Solve for x
    x = 463,101,522,414.97/776,385.77
  6. Step 6: Final answer
    x = 596,483.78

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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.