Home / 1,199,119.32-1,654,803.72-715,967.28

Finding the Fourth Proportional to 1,199,119.32, 1,654,803.72 and 715,967.28

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Solution

The fourth proportional to 1,199,119.32, 1,654,803.72 and 715,967.28 is: 988,046.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,119.32 : 1,654,803.72 = 715,967.28 : x
  2. Step 2: Convert to fraction form
    1,199,119.32/1,654,803.72 = 715,967.28/x
  3. Step 3: Cross multiply
    1,199,119.32x = 1,654,803.72 × 715,967.28
  4. Step 4: Simplify right side
    1,199,119.32x = 1,184,785,318,342.28
  5. Step 5: Solve for x
    x = 1,184,785,318,342.28/1,199,119.32
  6. Step 6: Final answer
    x = 988,046.23

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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.