Home / 1,076,615.80-1,614,923.70-436,918.30

Finding the Fourth Proportional to 1,076,615.80, 1,614,923.70 and 436,918.30

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Solution

The fourth proportional to 1,076,615.80, 1,614,923.70 and 436,918.30 is: 655,377.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,615.80 : 1,614,923.70 = 436,918.30 : x
  2. Step 2: Convert to fraction form
    1,076,615.80/1,614,923.70 = 436,918.30/x
  3. Step 3: Cross multiply
    1,076,615.80x = 1,614,923.70 × 436,918.30
  4. Step 4: Simplify right side
    1,076,615.80x = 705,589,717,633.71
  5. Step 5: Solve for x
    x = 705,589,717,633.71/1,076,615.80
  6. Step 6: Final answer
    x = 655,377.45

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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.