Home / 474,416.20-711,625.02-119,430.28

Finding the Fourth Proportional to 474,416.20, 711,625.02 and 119,430.28

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Solution

The fourth proportional to 474,416.20, 711,625.02 and 119,430.28 is: 179,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,416.20 : 711,625.02 = 119,430.28 : x
  2. Step 2: Convert to fraction form
    474,416.20/711,625.02 = 119,430.28/x
  3. Step 3: Cross multiply
    474,416.20x = 711,625.02 × 119,430.28
  4. Step 4: Simplify right side
    474,416.20x = 84,989,575,393.61
  5. Step 5: Solve for x
    x = 84,989,575,393.61/474,416.20
  6. Step 6: Final answer
    x = 179,145.60

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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.