Home / 1,076,564.55-1,615,162.62-318,426

Finding the Fourth Proportional to 1,076,564.55, 1,615,162.62 and 318,426

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Solution

The fourth proportional to 1,076,564.55, 1,615,162.62 and 318,426 is: 477,732.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,564.55 : 1,615,162.62 = 318,426 : x
  2. Step 2: Convert to fraction form
    1,076,564.55/1,615,162.62 = 318,426/x
  3. Step 3: Cross multiply
    1,076,564.55x = 1,615,162.62 × 318,426
  4. Step 4: Simplify right side
    1,076,564.55x = 514,309,772,436.12
  5. Step 5: Solve for x
    x = 514,309,772,436.12/1,076,564.55
  6. Step 6: Final answer
    x = 477,732.41

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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.