Home / 829,921.10-1,244,881.65-824,672.30

Finding the Fourth Proportional to 829,921.10, 1,244,881.65 and 824,672.30

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Solution

The fourth proportional to 829,921.10, 1,244,881.65 and 824,672.30 is: 1,237,008.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,921.10 : 1,244,881.65 = 824,672.30 : x
  2. Step 2: Convert to fraction form
    829,921.10/1,244,881.65 = 824,672.30/x
  3. Step 3: Cross multiply
    829,921.10x = 1,244,881.65 × 824,672.30
  4. Step 4: Simplify right side
    829,921.10x = 1,026,619,413,533.30
  5. Step 5: Solve for x
    x = 1,026,619,413,533.30/829,921.10
  6. Step 6: Final answer
    x = 1,237,008.45

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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.