Home / 1,191,999.73-1,788,368.65-413,078.82

Finding the Fourth Proportional to 1,191,999.73, 1,788,368.65 and 413,078.82

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Solution

The fourth proportional to 1,191,999.73, 1,788,368.65 and 413,078.82 is: 619,746.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,999.73 : 1,788,368.65 = 413,078.82 : x
  2. Step 2: Convert to fraction form
    1,191,999.73/1,788,368.65 = 413,078.82/x
  3. Step 3: Cross multiply
    1,191,999.73x = 1,788,368.65 × 413,078.82
  4. Step 4: Simplify right side
    1,191,999.73x = 738,737,209,601.60
  5. Step 5: Solve for x
    x = 738,737,209,601.60/1,191,999.73
  6. Step 6: Final answer
    x = 619,746.12

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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.