Home / 942,405.13-1,300,420.66-534,376.54

Finding the Fourth Proportional to 942,405.13, 1,300,420.66 and 534,376.54

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Solution

The fourth proportional to 942,405.13, 1,300,420.66 and 534,376.54 is: 737,383.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,405.13 : 1,300,420.66 = 534,376.54 : x
  2. Step 2: Convert to fraction form
    942,405.13/1,300,420.66 = 534,376.54/x
  3. Step 3: Cross multiply
    942,405.13x = 1,300,420.66 × 534,376.54
  4. Step 4: Simplify right side
    942,405.13x = 694,914,283,661.33
  5. Step 5: Solve for x
    x = 694,914,283,661.33/942,405.13
  6. Step 6: Final answer
    x = 737,383.81

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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.