Home / 1,142,111.04-1,576,003.68-632,803.20

Finding the Fourth Proportional to 1,142,111.04, 1,576,003.68 and 632,803.20

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Solution

The fourth proportional to 1,142,111.04, 1,576,003.68 and 632,803.20 is: 873,207.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,111.04 : 1,576,003.68 = 632,803.20 : x
  2. Step 2: Convert to fraction form
    1,142,111.04/1,576,003.68 = 632,803.20/x
  3. Step 3: Cross multiply
    1,142,111.04x = 1,576,003.68 × 632,803.20
  4. Step 4: Simplify right side
    1,142,111.04x = 997,300,171,915.78
  5. Step 5: Solve for x
    x = 997,300,171,915.78/1,142,111.04
  6. Step 6: Final answer
    x = 873,207.72

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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.