Home / 738,901.00-1,019,741.15-412,316.70

Finding the Fourth Proportional to 738,901.00, 1,019,741.15 and 412,316.70

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Solution

The fourth proportional to 738,901.00, 1,019,741.15 and 412,316.70 is: 569,029.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,901.00 : 1,019,741.15 = 412,316.70 : x
  2. Step 2: Convert to fraction form
    738,901.00/1,019,741.15 = 412,316.70/x
  3. Step 3: Cross multiply
    738,901.00x = 1,019,741.15 × 412,316.70
  4. Step 4: Simplify right side
    738,901.00x = 420,456,303,028.97
  5. Step 5: Solve for x
    x = 420,456,303,028.97/738,901.00
  6. Step 6: Final answer
    x = 569,029.28

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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.