Home / 1,254,516.80-1,731,223.95-681,561.68

Finding the Fourth Proportional to 1,254,516.80, 1,731,223.95 and 681,561.68

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Solution

The fourth proportional to 1,254,516.80, 1,731,223.95 and 681,561.68 is: 940,550.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,516.80 : 1,731,223.95 = 681,561.68 : x
  2. Step 2: Convert to fraction form
    1,254,516.80/1,731,223.95 = 681,561.68/x
  3. Step 3: Cross multiply
    1,254,516.80x = 1,731,223.95 × 681,561.68
  4. Step 4: Simplify right side
    1,254,516.80x = 1,179,935,903,818.24
  5. Step 5: Solve for x
    x = 1,179,935,903,818.24/1,254,516.80
  6. Step 6: Final answer
    x = 940,550.10

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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.