Home / 837,530.70-1,256,296.05-338,894.70

Finding the Fourth Proportional to 837,530.70, 1,256,296.05 and 338,894.70

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Solution

The fourth proportional to 837,530.70, 1,256,296.05 and 338,894.70 is: 508,342.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,530.70 : 1,256,296.05 = 338,894.70 : x
  2. Step 2: Convert to fraction form
    837,530.70/1,256,296.05 = 338,894.70/x
  3. Step 3: Cross multiply
    837,530.70x = 1,256,296.05 × 338,894.70
  4. Step 4: Simplify right side
    837,530.70x = 425,752,072,975.94
  5. Step 5: Solve for x
    x = 425,752,072,975.94/837,530.70
  6. Step 6: Final answer
    x = 508,342.05

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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.