Home / 447,139.35-616,870.26-253,506.24

Finding the Fourth Proportional to 447,139.35, 616,870.26 and 253,506.24

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Solution

The fourth proportional to 447,139.35, 616,870.26 and 253,506.24 is: 349,735.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,139.35 : 616,870.26 = 253,506.24 : x
  2. Step 2: Convert to fraction form
    447,139.35/616,870.26 = 253,506.24/x
  3. Step 3: Cross multiply
    447,139.35x = 616,870.26 × 253,506.24
  4. Step 4: Simplify right side
    447,139.35x = 156,380,460,180.42
  5. Step 5: Solve for x
    x = 156,380,460,180.42/447,139.35
  6. Step 6: Final answer
    x = 349,735.40

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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.