Home / 1,691,742.78-2,537,763.33-477,330.12

Finding the Fourth Proportional to 1,691,742.78, 2,537,763.33 and 477,330.12

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Solution

The fourth proportional to 1,691,742.78, 2,537,763.33 and 477,330.12 is: 716,037.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,742.78 : 2,537,763.33 = 477,330.12 : x
  2. Step 2: Convert to fraction form
    1,691,742.78/2,537,763.33 = 477,330.12/x
  3. Step 3: Cross multiply
    1,691,742.78x = 2,537,763.33 × 477,330.12
  4. Step 4: Simplify right side
    1,691,742.78x = 1,211,350,874,840.50
  5. Step 5: Solve for x
    x = 1,211,350,874,840.50/1,691,742.78
  6. Step 6: Final answer
    x = 716,037.27

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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.