Home / 686,944.17-946,887.57-541,512.81

Finding the Fourth Proportional to 686,944.17, 946,887.57 and 541,512.81

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Solution

The fourth proportional to 686,944.17, 946,887.57 and 541,512.81 is: 746,424.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,944.17 : 946,887.57 = 541,512.81 : x
  2. Step 2: Convert to fraction form
    686,944.17/946,887.57 = 541,512.81/x
  3. Step 3: Cross multiply
    686,944.17x = 946,887.57 × 541,512.81
  4. Step 4: Simplify right side
    686,944.17x = 512,751,748,784.77
  5. Step 5: Solve for x
    x = 512,751,748,784.77/686,944.17
  6. Step 6: Final answer
    x = 746,424.19

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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.