Home / 1,702,221.49-2,552,667.93-742,970.49

Finding the Fourth Proportional to 1,702,221.49, 2,552,667.93 and 742,970.49

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Solution

The fourth proportional to 1,702,221.49, 2,552,667.93 and 742,970.49 is: 1,114,165.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702,221.49 : 2,552,667.93 = 742,970.49 : x
  2. Step 2: Convert to fraction form
    1,702,221.49/2,552,667.93 = 742,970.49/x
  3. Step 3: Cross multiply
    1,702,221.49x = 2,552,667.93 × 742,970.49
  4. Step 4: Simplify right side
    1,702,221.49x = 1,896,556,929,996.05
  5. Step 5: Solve for x
    x = 1,896,556,929,996.05/1,702,221.49
  6. Step 6: Final answer
    x = 1,114,165.78

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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.