Home / 863,411.66-1,191,622.57-500,760.59

Finding the Fourth Proportional to 863,411.66, 1,191,622.57 and 500,760.59

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Solution

The fourth proportional to 863,411.66, 1,191,622.57 and 500,760.59 is: 691,116.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,411.66 : 1,191,622.57 = 500,760.59 : x
  2. Step 2: Convert to fraction form
    863,411.66/1,191,622.57 = 500,760.59/x
  3. Step 3: Cross multiply
    863,411.66x = 1,191,622.57 × 500,760.59
  4. Step 4: Simplify right side
    863,411.66x = 596,717,615,727.66
  5. Step 5: Solve for x
    x = 596,717,615,727.66/863,411.66
  6. Step 6: Final answer
    x = 691,116.00

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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.