Home / 1,507,243.52-2,079,875.40-862,515.92

Finding the Fourth Proportional to 1,507,243.52, 2,079,875.40 and 862,515.92

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Solution

The fourth proportional to 1,507,243.52, 2,079,875.40 and 862,515.92 is: 1,190,202.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,243.52 : 2,079,875.40 = 862,515.92 : x
  2. Step 2: Convert to fraction form
    1,507,243.52/2,079,875.40 = 862,515.92/x
  3. Step 3: Cross multiply
    1,507,243.52x = 2,079,875.40 × 862,515.92
  4. Step 4: Simplify right side
    1,507,243.52x = 1,793,925,644,116.37
  5. Step 5: Solve for x
    x = 1,793,925,644,116.37/1,507,243.52
  6. Step 6: Final answer
    x = 1,190,202.92

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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.