Home / 1,661,430.72-2,292,776.48-897,484.32

Finding the Fourth Proportional to 1,661,430.72, 2,292,776.48 and 897,484.32

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Solution

The fourth proportional to 1,661,430.72, 2,292,776.48 and 897,484.32 is: 1,238,529.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,430.72 : 2,292,776.48 = 897,484.32 : x
  2. Step 2: Convert to fraction form
    1,661,430.72/2,292,776.48 = 897,484.32/x
  3. Step 3: Cross multiply
    1,661,430.72x = 2,292,776.48 × 897,484.32
  4. Step 4: Simplify right side
    1,661,430.72x = 2,057,730,940,064.79
  5. Step 5: Solve for x
    x = 2,057,730,940,064.79/1,661,430.72
  6. Step 6: Final answer
    x = 1,238,529.49

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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.