Home / 939,724.59-1,296,820.59-510,004.71

Finding the Fourth Proportional to 939,724.59, 1,296,820.59 and 510,004.71

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Solution

The fourth proportional to 939,724.59, 1,296,820.59 and 510,004.71 is: 703,806.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,724.59 : 1,296,820.59 = 510,004.71 : x
  2. Step 2: Convert to fraction form
    939,724.59/1,296,820.59 = 510,004.71/x
  3. Step 3: Cross multiply
    939,724.59x = 1,296,820.59 × 510,004.71
  4. Step 4: Simplify right side
    939,724.59x = 661,384,608,924.98
  5. Step 5: Solve for x
    x = 661,384,608,924.98/939,724.59
  6. Step 6: Final answer
    x = 703,806.86

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1.5x scale

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.