Home / 1,178,877.36-1,767,057-672,347.82

Finding the Fourth Proportional to 1,178,877.36, 1,767,057 and 672,347.82

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Solution

The fourth proportional to 1,178,877.36, 1,767,057 and 672,347.82 is: 1,007,803.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,877.36 : 1,767,057 = 672,347.82 : x
  2. Step 2: Convert to fraction form
    1,178,877.36/1,767,057 = 672,347.82/x
  3. Step 3: Cross multiply
    1,178,877.36x = 1,767,057 × 672,347.82
  4. Step 4: Simplify right side
    1,178,877.36x = 1,188,076,921,765.74
  5. Step 5: Solve for x
    x = 1,188,076,921,765.74/1,178,877.36
  6. Step 6: Final answer
    x = 1,007,803.66

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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.