Home / 992,777.53-1,489,586.28-542,973.28

Finding the Fourth Proportional to 992,777.53, 1,489,586.28 and 542,973.28

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Solution

The fourth proportional to 992,777.53, 1,489,586.28 and 542,973.28 is: 814,689.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,777.53 : 1,489,586.28 = 542,973.28 : x
  2. Step 2: Convert to fraction form
    992,777.53/1,489,586.28 = 542,973.28/x
  3. Step 3: Cross multiply
    992,777.53x = 1,489,586.28 × 542,973.28
  4. Step 4: Simplify right side
    992,777.53x = 808,805,548,294.60
  5. Step 5: Solve for x
    x = 808,805,548,294.60/992,777.53
  6. Step 6: Final answer
    x = 814,689.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.