Home / 1,166,818.61-1,749,823.11-408,643.36

Finding the Fourth Proportional to 1,166,818.61, 1,749,823.11 and 408,643.36

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Solution

The fourth proportional to 1,166,818.61, 1,749,823.11 and 408,643.36 is: 612,823.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,818.61 : 1,749,823.11 = 408,643.36 : x
  2. Step 2: Convert to fraction form
    1,166,818.61/1,749,823.11 = 408,643.36/x
  3. Step 3: Cross multiply
    1,166,818.61x = 1,749,823.11 × 408,643.36
  4. Step 4: Simplify right side
    1,166,818.61x = 715,053,590,701.49
  5. Step 5: Solve for x
    x = 715,053,590,701.49/1,166,818.61
  6. Step 6: Final answer
    x = 612,823.26

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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.