Home / 1,161,331.81-1,602,583.74-645,119.16

Finding the Fourth Proportional to 1,161,331.81, 1,602,583.74 and 645,119.16

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Solution

The fourth proportional to 1,161,331.81, 1,602,583.74 and 645,119.16 is: 890,234.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,331.81 : 1,602,583.74 = 645,119.16 : x
  2. Step 2: Convert to fraction form
    1,161,331.81/1,602,583.74 = 645,119.16/x
  3. Step 3: Cross multiply
    1,161,331.81x = 1,602,583.74 × 645,119.16
  4. Step 4: Simplify right side
    1,161,331.81x = 1,033,857,476,178.46
  5. Step 5: Solve for x
    x = 1,033,857,476,178.46/1,161,331.81
  6. Step 6: Final answer
    x = 890,234.36

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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.