Home / 851,277.07-1,174,097.78-545,381.76

Finding the Fourth Proportional to 851,277.07, 1,174,097.78 and 545,381.76

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Solution

The fourth proportional to 851,277.07, 1,174,097.78 and 545,381.76 is: 752,201.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,277.07 : 1,174,097.78 = 545,381.76 : x
  2. Step 2: Convert to fraction form
    851,277.07/1,174,097.78 = 545,381.76/x
  3. Step 3: Cross multiply
    851,277.07x = 1,174,097.78 × 545,381.76
  4. Step 4: Simplify right side
    851,277.07x = 640,331,513,853.11
  5. Step 5: Solve for x
    x = 640,331,513,853.11/851,277.07
  6. Step 6: Final answer
    x = 752,201.06

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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.