Home / 497,988.66-687,127.14-283,092.06

Finding the Fourth Proportional to 497,988.66, 687,127.14 and 283,092.06

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Solution

The fourth proportional to 497,988.66, 687,127.14 and 283,092.06 is: 390,611.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,988.66 : 687,127.14 = 283,092.06 : x
  2. Step 2: Convert to fraction form
    497,988.66/687,127.14 = 283,092.06/x
  3. Step 3: Cross multiply
    497,988.66x = 687,127.14 × 283,092.06
  4. Step 4: Simplify right side
    497,988.66x = 194,520,237,544.51
  5. Step 5: Solve for x
    x = 194,520,237,544.51/497,988.66
  6. Step 6: Final answer
    x = 390,611.78

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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.