Home / 746,320.50-1,029,923.01-406,790.10

Finding the Fourth Proportional to 746,320.50, 1,029,923.01 and 406,790.10

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Solution

The fourth proportional to 746,320.50, 1,029,923.01 and 406,790.10 is: 561,370.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,320.50 : 1,029,923.01 = 406,790.10 : x
  2. Step 2: Convert to fraction form
    746,320.50/1,029,923.01 = 406,790.10/x
  3. Step 3: Cross multiply
    746,320.50x = 1,029,923.01 × 406,790.10
  4. Step 4: Simplify right side
    746,320.50x = 418,962,484,230.20
  5. Step 5: Solve for x
    x = 418,962,484,230.20/746,320.50
  6. Step 6: Final answer
    x = 561,370.73

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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.