Home / 1,411,605.32-2,116,217.34-612,284.76

Finding the Fourth Proportional to 1,411,605.32, 2,116,217.34 and 612,284.76

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Solution

The fourth proportional to 1,411,605.32, 2,116,217.34 and 612,284.76 is: 917,910.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,605.32 : 2,116,217.34 = 612,284.76 : x
  2. Step 2: Convert to fraction form
    1,411,605.32/2,116,217.34 = 612,284.76/x
  3. Step 3: Cross multiply
    1,411,605.32x = 2,116,217.34 × 612,284.76
  4. Step 4: Simplify right side
    1,411,605.32x = 1,295,727,626,129.74
  5. Step 5: Solve for x
    x = 1,295,727,626,129.74/1,411,605.32
  6. Step 6: Final answer
    x = 917,910.70

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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.