Home / 738,500.09-1,019,410.29-496,922.77

Finding the Fourth Proportional to 738,500.09, 1,019,410.29 and 496,922.77

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Solution

The fourth proportional to 738,500.09, 1,019,410.29 and 496,922.77 is: 685,941.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,500.09 : 1,019,410.29 = 496,922.77 : x
  2. Step 2: Convert to fraction form
    738,500.09/1,019,410.29 = 496,922.77/x
  3. Step 3: Cross multiply
    738,500.09x = 1,019,410.29 × 496,922.77
  4. Step 4: Simplify right side
    738,500.09x = 506,568,187,817.06
  5. Step 5: Solve for x
    x = 506,568,187,817.06/738,500.09
  6. Step 6: Final answer
    x = 685,941.95

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Double scale
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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.