Home / 857,270.28-1,183,099.86-475,371.48

Finding the Fourth Proportional to 857,270.28, 1,183,099.86 and 475,371.48

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Solution

The fourth proportional to 857,270.28, 1,183,099.86 and 475,371.48 is: 656,049.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,270.28 : 1,183,099.86 = 475,371.48 : x
  2. Step 2: Convert to fraction form
    857,270.28/1,183,099.86 = 475,371.48/x
  3. Step 3: Cross multiply
    857,270.28x = 1,183,099.86 × 475,371.48
  4. Step 4: Simplify right side
    857,270.28x = 562,411,931,435.99
  5. Step 5: Solve for x
    x = 562,411,931,435.99/857,270.28
  6. Step 6: Final answer
    x = 656,049.72

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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.