Home / 923,562.21-1,274,503.71-515,671.02

Finding the Fourth Proportional to 923,562.21, 1,274,503.71 and 515,671.02

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Solution

The fourth proportional to 923,562.21, 1,274,503.71 and 515,671.02 is: 711,619.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,562.21 : 1,274,503.71 = 515,671.02 : x
  2. Step 2: Convert to fraction form
    923,562.21/1,274,503.71 = 515,671.02/x
  3. Step 3: Cross multiply
    923,562.21x = 1,274,503.71 × 515,671.02
  4. Step 4: Simplify right side
    923,562.21x = 657,224,628,129.48
  5. Step 5: Solve for x
    x = 657,224,628,129.48/923,562.21
  6. Step 6: Final answer
    x = 711,619.23

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1.5x scale

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.