Home / 811,776.41-1,119,334.70-607,171.63

Finding the Fourth Proportional to 811,776.41, 1,119,334.70 and 607,171.63

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Solution

The fourth proportional to 811,776.41, 1,119,334.70 and 607,171.63 is: 837,211.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,776.41 : 1,119,334.70 = 607,171.63 : x
  2. Step 2: Convert to fraction form
    811,776.41/1,119,334.70 = 607,171.63/x
  3. Step 3: Cross multiply
    811,776.41x = 1,119,334.70 × 607,171.63
  4. Step 4: Simplify right side
    811,776.41x = 679,628,273,034.15
  5. Step 5: Solve for x
    x = 679,628,273,034.15/811,776.41
  6. Step 6: Final answer
    x = 837,211.16

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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.