Home / 1,661,632.80-2,293,054.40-897,686.08

Finding the Fourth Proportional to 1,661,632.80, 2,293,054.40 and 897,686.08

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Solution

The fourth proportional to 1,661,632.80, 2,293,054.40 and 897,686.08 is: 1,238,807.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,632.80 : 2,293,054.40 = 897,686.08 : x
  2. Step 2: Convert to fraction form
    1,661,632.80/2,293,054.40 = 897,686.08/x
  3. Step 3: Cross multiply
    1,661,632.80x = 2,293,054.40 × 897,686.08
  4. Step 4: Simplify right side
    1,661,632.80x = 2,058,443,015,562.75
  5. Step 5: Solve for x
    x = 2,058,443,015,562.75/1,661,632.80
  6. Step 6: Final answer
    x = 1,238,807.40

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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.