Home / 1,076,582.36-1,615,189.29-318,443.78

Finding the Fourth Proportional to 1,076,582.36, 1,615,189.29 and 318,443.78

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Solution

The fourth proportional to 1,076,582.36, 1,615,189.29 and 318,443.78 is: 477,759.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,582.36 : 1,615,189.29 = 318,443.78 : x
  2. Step 2: Convert to fraction form
    1,076,582.36/1,615,189.29 = 318,443.78/x
  3. Step 3: Cross multiply
    1,076,582.36x = 1,615,189.29 × 318,443.78
  4. Step 4: Simplify right side
    1,076,582.36x = 514,346,974,847.17
  5. Step 5: Solve for x
    x = 514,346,974,847.17/1,076,582.36
  6. Step 6: Final answer
    x = 477,759.06

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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.