Home / 1,076,102.07-1,614,106.39-402,189.20

Finding the Fourth Proportional to 1,076,102.07, 1,614,106.39 and 402,189.20

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Solution

The fourth proportional to 1,076,102.07, 1,614,106.39 and 402,189.20 is: 603,266.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,102.07 : 1,614,106.39 = 402,189.20 : x
  2. Step 2: Convert to fraction form
    1,076,102.07/1,614,106.39 = 402,189.20/x
  3. Step 3: Cross multiply
    1,076,102.07x = 1,614,106.39 × 402,189.20
  4. Step 4: Simplify right side
    1,076,102.07x = 649,176,157,708.99
  5. Step 5: Solve for x
    x = 649,176,157,708.99/1,076,102.07
  6. Step 6: Final answer
    x = 603,266.34

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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.