Home / 807,317.50-1,211,147.16-238,653.76

Finding the Fourth Proportional to 807,317.50, 1,211,147.16 and 238,653.76

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Solution

The fourth proportional to 807,317.50, 1,211,147.16 and 238,653.76 is: 358,031.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,317.50 : 1,211,147.16 = 238,653.76 : x
  2. Step 2: Convert to fraction form
    807,317.50/1,211,147.16 = 238,653.76/x
  3. Step 3: Cross multiply
    807,317.50x = 1,211,147.16 × 238,653.76
  4. Step 4: Simplify right side
    807,317.50x = 289,044,823,647.32
  5. Step 5: Solve for x
    x = 289,044,823,647.32/807,317.50
  6. Step 6: Final answer
    x = 358,031.16

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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.