Home / 471,913.12-651,877.20-377,085.28

Finding the Fourth Proportional to 471,913.12, 651,877.20 and 377,085.28

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Solution

The fourth proportional to 471,913.12, 651,877.20 and 377,085.28 is: 520,886.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,913.12 : 651,877.20 = 377,085.28 : x
  2. Step 2: Convert to fraction form
    471,913.12/651,877.20 = 377,085.28/x
  3. Step 3: Cross multiply
    471,913.12x = 651,877.20 × 377,085.28
  4. Step 4: Simplify right side
    471,913.12x = 245,813,296,487.62
  5. Step 5: Solve for x
    x = 245,813,296,487.62/471,913.12
  6. Step 6: Final answer
    x = 520,886.76

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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.