Home / 423,769.59-584,557.70-253,905.30

Finding the Fourth Proportional to 423,769.59, 584,557.70 and 253,905.30

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Solution

The fourth proportional to 423,769.59, 584,557.70 and 253,905.30 is: 350,242.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,769.59 : 584,557.70 = 253,905.30 : x
  2. Step 2: Convert to fraction form
    423,769.59/584,557.70 = 253,905.30/x
  3. Step 3: Cross multiply
    423,769.59x = 584,557.70 × 253,905.30
  4. Step 4: Simplify right side
    423,769.59x = 148,422,296,916.28
  5. Step 5: Solve for x
    x = 148,422,296,916.28/423,769.59
  6. Step 6: Final answer
    x = 350,242.92

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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.