Home / 1,161,119.56-1,602,319.54-644,844.20

Finding the Fourth Proportional to 1,161,119.56, 1,602,319.54 and 644,844.20

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Solution

The fourth proportional to 1,161,119.56, 1,602,319.54 and 644,844.20 is: 889,870.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,119.56 : 1,602,319.54 = 644,844.20 : x
  2. Step 2: Convert to fraction form
    1,161,119.56/1,602,319.54 = 644,844.20/x
  3. Step 3: Cross multiply
    1,161,119.56x = 1,602,319.54 × 644,844.20
  4. Step 4: Simplify right side
    1,161,119.56x = 1,033,246,461,915.67
  5. Step 5: Solve for x
    x = 1,033,246,461,915.67/1,161,119.56
  6. Step 6: Final answer
    x = 889,870.86

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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.