Home / 1,166,411.76-1,609,722.36-879,425.52

Finding the Fourth Proportional to 1,166,411.76, 1,609,722.36 and 879,425.52

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Solution

The fourth proportional to 1,166,411.76, 1,609,722.36 and 879,425.52 is: 1,213,663.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,411.76 : 1,609,722.36 = 879,425.52 : x
  2. Step 2: Convert to fraction form
    1,166,411.76/1,609,722.36 = 879,425.52/x
  3. Step 3: Cross multiply
    1,166,411.76x = 1,609,722.36 × 879,425.52
  4. Step 4: Simplify right side
    1,166,411.76x = 1,415,630,923,498.63
  5. Step 5: Solve for x
    x = 1,415,630,923,498.63/1,166,411.76
  6. Step 6: Final answer
    x = 1,213,663.11

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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.