Home / 1,142,164.66-1,576,189.08-625,836.52

Finding the Fourth Proportional to 1,142,164.66, 1,576,189.08 and 625,836.52

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Solution

The fourth proportional to 1,142,164.66, 1,576,189.08 and 625,836.52 is: 863,655.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,164.66 : 1,576,189.08 = 625,836.52 : x
  2. Step 2: Convert to fraction form
    1,142,164.66/1,576,189.08 = 625,836.52/x
  3. Step 3: Cross multiply
    1,142,164.66x = 1,576,189.08 × 625,836.52
  4. Step 4: Simplify right side
    1,142,164.66x = 986,436,688,689.20
  5. Step 5: Solve for x
    x = 986,436,688,689.20/1,142,164.66
  6. Step 6: Final answer
    x = 863,655.41

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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.