Home / 1,221,547.86-1,832,321.82-661,675.86

Finding the Fourth Proportional to 1,221,547.86, 1,832,321.82 and 661,675.86

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Solution

The fourth proportional to 1,221,547.86, 1,832,321.82 and 661,675.86 is: 992,513.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,547.86 : 1,832,321.82 = 661,675.86 : x
  2. Step 2: Convert to fraction form
    1,221,547.86/1,832,321.82 = 661,675.86/x
  3. Step 3: Cross multiply
    1,221,547.86x = 1,832,321.82 × 661,675.86
  4. Step 4: Simplify right side
    1,221,547.86x = 1,212,403,116,045.27
  5. Step 5: Solve for x
    x = 1,212,403,116,045.27/1,221,547.86
  6. Step 6: Final answer
    x = 992,513.81

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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.