Home / 838,554.90-1,257,919.60-231,343.24

Finding the Fourth Proportional to 838,554.90, 1,257,919.60 and 231,343.24

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Solution

The fourth proportional to 838,554.90, 1,257,919.60 and 231,343.24 is: 347,038.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,554.90 : 1,257,919.60 = 231,343.24 : x
  2. Step 2: Convert to fraction form
    838,554.90/1,257,919.60 = 231,343.24/x
  3. Step 3: Cross multiply
    838,554.90x = 1,257,919.60 × 231,343.24
  4. Step 4: Simplify right side
    838,554.90x = 291,011,195,923.50
  5. Step 5: Solve for x
    x = 291,011,195,923.50/838,554.90
  6. Step 6: Final answer
    x = 347,038.93

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1.5x scale

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.