Home / 1,216,340.93-1,678,462.07-672,483.24

Finding the Fourth Proportional to 1,216,340.93, 1,678,462.07 and 672,483.24

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Solution

The fourth proportional to 1,216,340.93, 1,678,462.07 and 672,483.24 is: 927,977.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,340.93 : 1,678,462.07 = 672,483.24 : x
  2. Step 2: Convert to fraction form
    1,216,340.93/1,678,462.07 = 672,483.24/x
  3. Step 3: Cross multiply
    1,216,340.93x = 1,678,462.07 × 672,483.24
  4. Step 4: Simplify right side
    1,216,340.93x = 1,128,737,602,658.40
  5. Step 5: Solve for x
    x = 1,128,737,602,658.40/1,216,340.93
  6. Step 6: Final answer
    x = 927,977.99

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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.