Home / 923,807.28-1,274,781.30-515,877.24

Finding the Fourth Proportional to 923,807.28, 1,274,781.30 and 515,877.24

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Solution

The fourth proportional to 923,807.28, 1,274,781.30 and 515,877.24 is: 711,869.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,807.28 : 1,274,781.30 = 515,877.24 : x
  2. Step 2: Convert to fraction form
    923,807.28/1,274,781.30 = 515,877.24/x
  3. Step 3: Cross multiply
    923,807.28x = 1,274,781.30 × 515,877.24
  4. Step 4: Simplify right side
    923,807.28x = 657,630,658,647.61
  5. Step 5: Solve for x
    x = 657,630,658,647.61/923,807.28
  6. Step 6: Final answer
    x = 711,869.97

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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.