Home / 941,678.89-1,299,458.61-528,192.90

Finding the Fourth Proportional to 941,678.89, 1,299,458.61 and 528,192.90

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Solution

The fourth proportional to 941,678.89, 1,299,458.61 and 528,192.90 is: 728,873.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,678.89 : 1,299,458.61 = 528,192.90 : x
  2. Step 2: Convert to fraction form
    941,678.89/1,299,458.61 = 528,192.90/x
  3. Step 3: Cross multiply
    941,678.89x = 1,299,458.61 × 528,192.90
  4. Step 4: Simplify right side
    941,678.89x = 686,364,802,507.61
  5. Step 5: Solve for x
    x = 686,364,802,507.61/941,678.89
  6. Step 6: Final answer
    x = 728,873.52

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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.