Home / 1,192.40-1,784.76-614.48

Finding the Fourth Proportional to 1,192.40, 1,784.76 and 614.48

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Solution

The fourth proportional to 1,192.40, 1,784.76 and 614.48 is: 919.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192.40 : 1,784.76 = 614.48 : x
  2. Step 2: Convert to fraction form
    1,192.40/1,784.76 = 614.48/x
  3. Step 3: Cross multiply
    1,192.40x = 1,784.76 × 614.48
  4. Step 4: Simplify right side
    1,192.40x = 1,096,699.32
  5. Step 5: Solve for x
    x = 1,096,699.32/1,192.40
  6. Step 6: Final answer
    x = 919.74

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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.