Home / 749,986.47-1,035,001.98-427,749.03

Finding the Fourth Proportional to 749,986.47, 1,035,001.98 and 427,749.03

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Solution

The fourth proportional to 749,986.47, 1,035,001.98 and 427,749.03 is: 590,305.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,986.47 : 1,035,001.98 = 427,749.03 : x
  2. Step 2: Convert to fraction form
    749,986.47/1,035,001.98 = 427,749.03/x
  3. Step 3: Cross multiply
    749,986.47x = 1,035,001.98 × 427,749.03
  4. Step 4: Simplify right side
    749,986.47x = 442,721,092,993.08
  5. Step 5: Solve for x
    x = 442,721,092,993.08/749,986.47
  6. Step 6: Final answer
    x = 590,305.44

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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.