Home / 1,076,562.54-1,615,159.61-318,424

Finding the Fourth Proportional to 1,076,562.54, 1,615,159.61 and 318,424

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Solution

The fourth proportional to 1,076,562.54, 1,615,159.61 and 318,424 is: 477,729.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,562.54 : 1,615,159.61 = 318,424 : x
  2. Step 2: Convert to fraction form
    1,076,562.54/1,615,159.61 = 318,424/x
  3. Step 3: Cross multiply
    1,076,562.54x = 1,615,159.61 × 318,424
  4. Step 4: Simplify right side
    1,076,562.54x = 514,305,583,654.64
  5. Step 5: Solve for x
    x = 514,305,583,654.64/1,076,562.54
  6. Step 6: Final answer
    x = 477,729.41

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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.