Home / 742,193.28-1,113,334.88-209,754.16

Finding the Fourth Proportional to 742,193.28, 1,113,334.88 and 209,754.16

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Solution

The fourth proportional to 742,193.28, 1,113,334.88 and 209,754.16 is: 314,643.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,193.28 : 1,113,334.88 = 209,754.16 : x
  2. Step 2: Convert to fraction form
    742,193.28/1,113,334.88 = 209,754.16/x
  3. Step 3: Cross multiply
    742,193.28x = 1,113,334.88 × 209,754.16
  4. Step 4: Simplify right side
    742,193.28x = 233,526,618,720.99
  5. Step 5: Solve for x
    x = 233,526,618,720.99/742,193.28
  6. Step 6: Final answer
    x = 314,643.94

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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.