Home / 1,143,153.83-1,577,407.28-626,771.83

Finding the Fourth Proportional to 1,143,153.83, 1,577,407.28 and 626,771.83

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Solution

The fourth proportional to 1,143,153.83, 1,577,407.28 and 626,771.83 is: 864,865.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,153.83 : 1,577,407.28 = 626,771.83 : x
  2. Step 2: Convert to fraction form
    1,143,153.83/1,577,407.28 = 626,771.83/x
  3. Step 3: Cross multiply
    1,143,153.83x = 1,577,407.28 × 626,771.83
  4. Step 4: Simplify right side
    1,143,153.83x = 988,674,447,540.92
  5. Step 5: Solve for x
    x = 988,674,447,540.92/1,143,153.83
  6. Step 6: Final answer
    x = 864,865.62

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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.