Home / 1,122,967.56-1,549,853.28-714,939.06

Finding the Fourth Proportional to 1,122,967.56, 1,549,853.28 and 714,939.06

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Solution

The fourth proportional to 1,122,967.56, 1,549,853.28 and 714,939.06 is: 986,716.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,967.56 : 1,549,853.28 = 714,939.06 : x
  2. Step 2: Convert to fraction form
    1,122,967.56/1,549,853.28 = 714,939.06/x
  3. Step 3: Cross multiply
    1,122,967.56x = 1,549,853.28 × 714,939.06
  4. Step 4: Simplify right side
    1,122,967.56x = 1,108,050,647,141.12
  5. Step 5: Solve for x
    x = 1,108,050,647,141.12/1,122,967.56
  6. Step 6: Final answer
    x = 986,716.52

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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.