Home / 933,021.33-1,287,610.88-525,149.60

Finding the Fourth Proportional to 933,021.33, 1,287,610.88 and 525,149.60

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Solution

The fourth proportional to 933,021.33, 1,287,610.88 and 525,149.60 is: 724,729.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,021.33 : 1,287,610.88 = 525,149.60 : x
  2. Step 2: Convert to fraction form
    933,021.33/1,287,610.88 = 525,149.60/x
  3. Step 3: Cross multiply
    933,021.33x = 1,287,610.88 × 525,149.60
  4. Step 4: Simplify right side
    933,021.33x = 676,188,332,477.81
  5. Step 5: Solve for x
    x = 676,188,332,477.81/933,021.33
  6. Step 6: Final answer
    x = 724,729.77

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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.