Home / 1,076,562.42-1,615,159.42-318,423.88

Finding the Fourth Proportional to 1,076,562.42, 1,615,159.42 and 318,423.88

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Solution

The fourth proportional to 1,076,562.42, 1,615,159.42 and 318,423.88 is: 477,729.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,562.42 : 1,615,159.42 = 318,423.88 : x
  2. Step 2: Convert to fraction form
    1,076,562.42/1,615,159.42 = 318,423.88/x
  3. Step 3: Cross multiply
    1,076,562.42x = 1,615,159.42 × 318,423.88
  4. Step 4: Simplify right side
    1,076,562.42x = 514,305,329,334.95
  5. Step 5: Solve for x
    x = 514,305,329,334.95/1,076,562.42
  6. Step 6: Final answer
    x = 477,729.22

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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.