Home / 941,005.81-1,298,490.40-553,798.06

Finding the Fourth Proportional to 941,005.81, 1,298,490.40 and 553,798.06

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Solution

The fourth proportional to 941,005.81, 1,298,490.40 and 553,798.06 is: 764,183.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,005.81 : 1,298,490.40 = 553,798.06 : x
  2. Step 2: Convert to fraction form
    941,005.81/1,298,490.40 = 553,798.06/x
  3. Step 3: Cross multiply
    941,005.81x = 1,298,490.40 × 553,798.06
  4. Step 4: Simplify right side
    941,005.81x = 719,101,466,083.54
  5. Step 5: Solve for x
    x = 719,101,466,083.54/941,005.81
  6. Step 6: Final answer
    x = 764,183.88

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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.