Home / 515,185.50-710,714.07-364,365.66

Finding the Fourth Proportional to 515,185.50, 710,714.07 and 364,365.66

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Solution

The fourth proportional to 515,185.50, 710,714.07 and 364,365.66 is: 502,653.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,185.50 : 710,714.07 = 364,365.66 : x
  2. Step 2: Convert to fraction form
    515,185.50/710,714.07 = 364,365.66/x
  3. Step 3: Cross multiply
    515,185.50x = 710,714.07 × 364,365.66
  4. Step 4: Simplify right side
    515,185.50x = 258,959,801,186.84
  5. Step 5: Solve for x
    x = 258,959,801,186.84/515,185.50
  6. Step 6: Final answer
    x = 502,653.51

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1.5x scale

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.