Home / 1,661,336.13-2,292,644.77-897,389.69

Finding the Fourth Proportional to 1,661,336.13, 2,292,644.77 and 897,389.69

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Solution

The fourth proportional to 1,661,336.13, 2,292,644.77 and 897,389.69 is: 1,238,398.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,336.13 : 2,292,644.77 = 897,389.69 : x
  2. Step 2: Convert to fraction form
    1,661,336.13/2,292,644.77 = 897,389.69/x
  3. Step 3: Cross multiply
    1,661,336.13x = 2,292,644.77 × 897,389.69
  4. Step 4: Simplify right side
    1,661,336.13x = 2,057,395,779,430.42
  5. Step 5: Solve for x
    x = 2,057,395,779,430.42/1,661,336.13
  6. Step 6: Final answer
    x = 1,238,398.26

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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.