Home / 1,147,040.68-1,720,563.76-348,328.24

Finding the Fourth Proportional to 1,147,040.68, 1,720,563.76 and 348,328.24

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Solution

The fourth proportional to 1,147,040.68, 1,720,563.76 and 348,328.24 is: 522,493.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,040.68 : 1,720,563.76 = 348,328.24 : x
  2. Step 2: Convert to fraction form
    1,147,040.68/1,720,563.76 = 348,328.24/x
  3. Step 3: Cross multiply
    1,147,040.68x = 1,720,563.76 × 348,328.24
  4. Step 4: Simplify right side
    1,147,040.68x = 599,320,946,328.58
  5. Step 5: Solve for x
    x = 599,320,946,328.58/1,147,040.68
  6. Step 6: Final answer
    x = 522,493.19

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.