Home / 543,319.68-749,743.65-301,583.23

Finding the Fourth Proportional to 543,319.68, 749,743.65 and 301,583.23

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Solution

The fourth proportional to 543,319.68, 749,743.65 and 301,583.23 is: 416,164.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,319.68 : 749,743.65 = 301,583.23 : x
  2. Step 2: Convert to fraction form
    543,319.68/749,743.65 = 301,583.23/x
  3. Step 3: Cross multiply
    543,319.68x = 749,743.65 × 301,583.23
  4. Step 4: Simplify right side
    543,319.68x = 226,110,111,638.99
  5. Step 5: Solve for x
    x = 226,110,111,638.99/543,319.68
  6. Step 6: Final answer
    x = 416,164.04

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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.