Home / 511,582.15-705,987.93-282,148.30

Finding the Fourth Proportional to 511,582.15, 705,987.93 and 282,148.30

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Solution

The fourth proportional to 511,582.15, 705,987.93 and 282,148.30 is: 389,367.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,582.15 : 705,987.93 = 282,148.30 : x
  2. Step 2: Convert to fraction form
    511,582.15/705,987.93 = 282,148.30/x
  3. Step 3: Cross multiply
    511,582.15x = 705,987.93 × 282,148.30
  4. Step 4: Simplify right side
    511,582.15x = 199,193,294,270.02
  5. Step 5: Solve for x
    x = 199,193,294,270.02/511,582.15
  6. Step 6: Final answer
    x = 389,367.17

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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.