Home / 941,399.92-1,299,146.65-511,681.15

Finding the Fourth Proportional to 941,399.92, 1,299,146.65 and 511,681.15

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Solution

The fourth proportional to 941,399.92, 1,299,146.65 and 511,681.15 is: 706,128.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,399.92 : 1,299,146.65 = 511,681.15 : x
  2. Step 2: Convert to fraction form
    941,399.92/1,299,146.65 = 511,681.15/x
  3. Step 3: Cross multiply
    941,399.92x = 1,299,146.65 × 511,681.15
  4. Step 4: Simplify right side
    941,399.92x = 664,748,852,235.38
  5. Step 5: Solve for x
    x = 664,748,852,235.38/941,399.92
  6. Step 6: Final answer
    x = 706,128.01

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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.