Home / 1,168,214.41-1,612,156.88-685,127.98

Finding the Fourth Proportional to 1,168,214.41, 1,612,156.88 and 685,127.98

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Solution

The fourth proportional to 1,168,214.41, 1,612,156.88 and 685,127.98 is: 945,488.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,214.41 : 1,612,156.88 = 685,127.98 : x
  2. Step 2: Convert to fraction form
    1,168,214.41/1,612,156.88 = 685,127.98/x
  3. Step 3: Cross multiply
    1,168,214.41x = 1,612,156.88 × 685,127.98
  4. Step 4: Simplify right side
    1,168,214.41x = 1,104,533,786,637.50
  5. Step 5: Solve for x
    x = 1,104,533,786,637.50/1,168,214.41
  6. Step 6: Final answer
    x = 945,488.92

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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.