Home / 1,216,064.94-1,678,140.04-672,186.69

Finding the Fourth Proportional to 1,216,064.94, 1,678,140.04 and 672,186.69

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Solution

The fourth proportional to 1,216,064.94, 1,678,140.04 and 672,186.69 is: 927,601.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,064.94 : 1,678,140.04 = 672,186.69 : x
  2. Step 2: Convert to fraction form
    1,216,064.94/1,678,140.04 = 672,186.69/x
  3. Step 3: Cross multiply
    1,216,064.94x = 1,678,140.04 × 672,186.69
  4. Step 4: Simplify right side
    1,216,064.94x = 1,128,023,398,844.07
  5. Step 5: Solve for x
    x = 1,128,023,398,844.07/1,216,064.94
  6. Step 6: Final answer
    x = 927,601.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.