Home / 905,896.77-1,250,152.95-498,015.60

Finding the Fourth Proportional to 905,896.77, 1,250,152.95 and 498,015.60

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Solution

The fourth proportional to 905,896.77, 1,250,152.95 and 498,015.60 is: 687,270.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,896.77 : 1,250,152.95 = 498,015.60 : x
  2. Step 2: Convert to fraction form
    905,896.77/1,250,152.95 = 498,015.60/x
  3. Step 3: Cross multiply
    905,896.77x = 1,250,152.95 × 498,015.60
  4. Step 4: Simplify right side
    905,896.77x = 622,595,671,486.02
  5. Step 5: Solve for x
    x = 622,595,671,486.02/905,896.77
  6. Step 6: Final answer
    x = 687,270.00

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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.