Home / 784,572.75-1,176,859.13-193,596.75

Finding the Fourth Proportional to 784,572.75, 1,176,859.13 and 193,596.75

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Solution

The fourth proportional to 784,572.75, 1,176,859.13 and 193,596.75 is: 290,395.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,572.75 : 1,176,859.13 = 193,596.75 : x
  2. Step 2: Convert to fraction form
    784,572.75/1,176,859.13 = 193,596.75/x
  3. Step 3: Cross multiply
    784,572.75x = 1,176,859.13 × 193,596.75
  4. Step 4: Simplify right side
    784,572.75x = 227,836,101,807.84
  5. Step 5: Solve for x
    x = 227,836,101,807.84/784,572.75
  6. Step 6: Final answer
    x = 290,395.13

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Half scale
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Double scale
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Similar ratio
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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.