Home / 638,956.68-881,730.52-366,833.06

Finding the Fourth Proportional to 638,956.68, 881,730.52 and 366,833.06

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Solution

The fourth proportional to 638,956.68, 881,730.52 and 366,833.06 is: 506,212.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,956.68 : 881,730.52 = 366,833.06 : x
  2. Step 2: Convert to fraction form
    638,956.68/881,730.52 = 366,833.06/x
  3. Step 3: Cross multiply
    638,956.68x = 881,730.52 × 366,833.06
  4. Step 4: Simplify right side
    638,956.68x = 323,447,904,746.99
  5. Step 5: Solve for x
    x = 323,447,904,746.99/638,956.68
  6. Step 6: Final answer
    x = 506,212.57

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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.