Home / 909,606.31-1,364,545.64-293,904.43

Finding the Fourth Proportional to 909,606.31, 1,364,545.64 and 293,904.43

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Solution

The fourth proportional to 909,606.31, 1,364,545.64 and 293,904.43 is: 440,900.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,606.31 : 1,364,545.64 = 293,904.43 : x
  2. Step 2: Convert to fraction form
    909,606.31/1,364,545.64 = 293,904.43/x
  3. Step 3: Cross multiply
    909,606.31x = 1,364,545.64 × 293,904.43
  4. Step 4: Simplify right side
    909,606.31x = 401,046,008,533.19
  5. Step 5: Solve for x
    x = 401,046,008,533.19/909,606.31
  6. Step 6: Final answer
    x = 440,900.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.