Home / 919,357.82-1,269,338.79-575,332.83

Finding the Fourth Proportional to 919,357.82, 1,269,338.79 and 575,332.83

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Solution

The fourth proportional to 919,357.82, 1,269,338.79 and 575,332.83 is: 794,350.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,357.82 : 1,269,338.79 = 575,332.83 : x
  2. Step 2: Convert to fraction form
    919,357.82/1,269,338.79 = 575,332.83/x
  3. Step 3: Cross multiply
    919,357.82x = 1,269,338.79 × 575,332.83
  4. Step 4: Simplify right side
    919,357.82x = 730,292,278,279.48
  5. Step 5: Solve for x
    x = 730,292,278,279.48/919,357.82
  6. Step 6: Final answer
    x = 794,350.43

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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.