Home / 996,140.48-1,374,667.47-566,420.49

Finding the Fourth Proportional to 996,140.48, 1,374,667.47 and 566,420.49

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Solution

The fourth proportional to 996,140.48, 1,374,667.47 and 566,420.49 is: 781,656.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,140.48 : 1,374,667.47 = 566,420.49 : x
  2. Step 2: Convert to fraction form
    996,140.48/1,374,667.47 = 566,420.49/x
  3. Step 3: Cross multiply
    996,140.48x = 1,374,667.47 × 566,420.49
  4. Step 4: Simplify right side
    996,140.48x = 778,639,821,944.46
  5. Step 5: Solve for x
    x = 778,639,821,944.46/996,140.48
  6. Step 6: Final answer
    x = 781,656.65

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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.