Home / 1,216,497.76-1,678,699.15-672,600.87

Finding the Fourth Proportional to 1,216,497.76, 1,678,699.15 and 672,600.87

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Solution

The fourth proportional to 1,216,497.76, 1,678,699.15 and 672,600.87 is: 928,151.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,497.76 : 1,678,699.15 = 672,600.87 : x
  2. Step 2: Convert to fraction form
    1,216,497.76/1,678,699.15 = 672,600.87/x
  3. Step 3: Cross multiply
    1,216,497.76x = 1,678,699.15 × 672,600.87
  4. Step 4: Simplify right side
    1,216,497.76x = 1,129,094,507,076.76
  5. Step 5: Solve for x
    x = 1,129,094,507,076.76/1,216,497.76
  6. Step 6: Final answer
    x = 928,151.74

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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.