Home / 1,170,887.42-1,615,803.57-661,578.86

Finding the Fourth Proportional to 1,170,887.42, 1,615,803.57 and 661,578.86

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Solution

The fourth proportional to 1,170,887.42, 1,615,803.57 and 661,578.86 is: 912,966.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,887.42 : 1,615,803.57 = 661,578.86 : x
  2. Step 2: Convert to fraction form
    1,170,887.42/1,615,803.57 = 661,578.86/x
  3. Step 3: Cross multiply
    1,170,887.42x = 1,615,803.57 × 661,578.86
  4. Step 4: Simplify right side
    1,170,887.42x = 1,068,981,475,745.51
  5. Step 5: Solve for x
    x = 1,068,981,475,745.51/1,170,887.42
  6. Step 6: Final answer
    x = 912,966.92

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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.