Home / 1,076,561.16-1,615,157.54-318,422.63

Finding the Fourth Proportional to 1,076,561.16, 1,615,157.54 and 318,422.63

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Solution

The fourth proportional to 1,076,561.16, 1,615,157.54 and 318,422.63 is: 477,727.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,561.16 : 1,615,157.54 = 318,422.63 : x
  2. Step 2: Convert to fraction form
    1,076,561.16/1,615,157.54 = 318,422.63/x
  3. Step 3: Cross multiply
    1,076,561.16x = 1,615,157.54 × 318,422.63
  4. Step 4: Simplify right side
    1,076,561.16x = 514,302,711,751.13
  5. Step 5: Solve for x
    x = 514,302,711,751.13/1,076,561.16
  6. Step 6: Final answer
    x = 477,727.35

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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.