Home / 638,950.64-881,722.20-366,827.00

Finding the Fourth Proportional to 638,950.64, 881,722.20 and 366,827.00

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Solution

The fourth proportional to 638,950.64, 881,722.20 and 366,827.00 is: 506,204.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,950.64 : 881,722.20 = 366,827.00 : x
  2. Step 2: Convert to fraction form
    638,950.64/881,722.20 = 366,827.00/x
  3. Step 3: Cross multiply
    638,950.64x = 881,722.20 × 366,827.00
  4. Step 4: Simplify right side
    638,950.64x = 323,439,505,050.79
  5. Step 5: Solve for x
    x = 323,439,505,050.79/638,950.64
  6. Step 6: Final answer
    x = 506,204.22

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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.