Home / 538,867.04-743,631.05-293,851.19

Finding the Fourth Proportional to 538,867.04, 743,631.05 and 293,851.19

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Solution

The fourth proportional to 538,867.04, 743,631.05 and 293,851.19 is: 405,511.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,867.04 : 743,631.05 = 293,851.19 : x
  2. Step 2: Convert to fraction form
    538,867.04/743,631.05 = 293,851.19/x
  3. Step 3: Cross multiply
    538,867.04x = 743,631.05 × 293,851.19
  4. Step 4: Simplify right side
    538,867.04x = 218,516,871,557.16
  5. Step 5: Solve for x
    x = 218,516,871,557.16/538,867.04
  6. Step 6: Final answer
    x = 405,511.67

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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.