Home / 698,663.14-1,048,128.63-225,221.38

Finding the Fourth Proportional to 698,663.14, 1,048,128.63 and 225,221.38

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Solution

The fourth proportional to 698,663.14, 1,048,128.63 and 225,221.38 is: 337,875.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,663.14 : 1,048,128.63 = 225,221.38 : x
  2. Step 2: Convert to fraction form
    698,663.14/1,048,128.63 = 225,221.38/x
  3. Step 3: Cross multiply
    698,663.14x = 1,048,128.63 × 225,221.38
  4. Step 4: Simplify right side
    698,663.14x = 236,060,976,466.11
  5. Step 5: Solve for x
    x = 236,060,976,466.11/698,663.14
  6. Step 6: Final answer
    x = 337,875.24

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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.