Home / 526,911.57-790,369.41-127,551.69

Finding the Fourth Proportional to 526,911.57, 790,369.41 and 127,551.69

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Solution

The fourth proportional to 526,911.57, 790,369.41 and 127,551.69 is: 191,328.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,911.57 : 790,369.41 = 127,551.69 : x
  2. Step 2: Convert to fraction form
    526,911.57/790,369.41 = 127,551.69/x
  3. Step 3: Cross multiply
    526,911.57x = 790,369.41 × 127,551.69
  4. Step 4: Simplify right side
    526,911.57x = 100,812,953,969.80
  5. Step 5: Solve for x
    x = 100,812,953,969.80/526,911.57
  6. Step 6: Final answer
    x = 191,328.03

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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.