Home / 1,216,496.62-1,678,646.98-672,557.93

Finding the Fourth Proportional to 1,216,496.62, 1,678,646.98 and 672,557.93

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Solution

The fourth proportional to 1,216,496.62, 1,678,646.98 and 672,557.93 is: 928,064.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,496.62 : 1,678,646.98 = 672,557.93 : x
  2. Step 2: Convert to fraction form
    1,216,496.62/1,678,646.98 = 672,557.93/x
  3. Step 3: Cross multiply
    1,216,496.62x = 1,678,646.98 × 672,557.93
  4. Step 4: Simplify right side
    1,216,496.62x = 1,128,987,338,486.47
  5. Step 5: Solve for x
    x = 1,128,987,338,486.47/1,216,496.62
  6. Step 6: Final answer
    x = 928,064.51

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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.