Home / 1,205,207.96-1,663,182.40-661,352.84

Finding the Fourth Proportional to 1,205,207.96, 1,663,182.40 and 661,352.84

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Solution

The fourth proportional to 1,205,207.96, 1,663,182.40 and 661,352.84 is: 912,664.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,207.96 : 1,663,182.40 = 661,352.84 : x
  2. Step 2: Convert to fraction form
    1,205,207.96/1,663,182.40 = 661,352.84/x
  3. Step 3: Cross multiply
    1,205,207.96x = 1,663,182.40 × 661,352.84
  4. Step 4: Simplify right side
    1,205,207.96x = 1,099,950,403,678.02
  5. Step 5: Solve for x
    x = 1,099,950,403,678.02/1,205,207.96
  6. Step 6: Final answer
    x = 912,664.40

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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.