Home / 746,521.80-1,119,782.70-372,496.20

Finding the Fourth Proportional to 746,521.80, 1,119,782.70 and 372,496.20

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Solution

The fourth proportional to 746,521.80, 1,119,782.70 and 372,496.20 is: 558,744.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,521.80 : 1,119,782.70 = 372,496.20 : x
  2. Step 2: Convert to fraction form
    746,521.80/1,119,782.70 = 372,496.20/x
  3. Step 3: Cross multiply
    746,521.80x = 1,119,782.70 × 372,496.20
  4. Step 4: Simplify right side
    746,521.80x = 417,114,800,575.74
  5. Step 5: Solve for x
    x = 417,114,800,575.74/746,521.80
  6. Step 6: Final answer
    x = 558,744.30

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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.