Home / 1,136,433.47-1,568,311.32-620,220.68

Finding the Fourth Proportional to 1,136,433.47, 1,568,311.32 and 620,220.68

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Solution

The fourth proportional to 1,136,433.47, 1,568,311.32 and 620,220.68 is: 855,922.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,433.47 : 1,568,311.32 = 620,220.68 : x
  2. Step 2: Convert to fraction form
    1,136,433.47/1,568,311.32 = 620,220.68/x
  3. Step 3: Cross multiply
    1,136,433.47x = 1,568,311.32 × 620,220.68
  4. Step 4: Simplify right side
    1,136,433.47x = 972,699,113,342.10
  5. Step 5: Solve for x
    x = 972,699,113,342.10/1,136,433.47
  6. Step 6: Final answer
    x = 855,922.62

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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.