Home / 511,853.16-706,397.40-282,455.96

Finding the Fourth Proportional to 511,853.16, 706,397.40 and 282,455.96

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Solution

The fourth proportional to 511,853.16, 706,397.40 and 282,455.96 is: 389,811.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,853.16 : 706,397.40 = 282,455.96 : x
  2. Step 2: Convert to fraction form
    511,853.16/706,397.40 = 282,455.96/x
  3. Step 3: Cross multiply
    511,853.16x = 706,397.40 × 282,455.96
  4. Step 4: Simplify right side
    511,853.16x = 199,526,155,758.50
  5. Step 5: Solve for x
    x = 199,526,155,758.50/511,853.16
  6. Step 6: Final answer
    x = 389,811.32

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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.