Home / 446,534.40-616,221.78-242,586.90

Finding the Fourth Proportional to 446,534.40, 616,221.78 and 242,586.90

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Solution

The fourth proportional to 446,534.40, 616,221.78 and 242,586.90 is: 334,772.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,534.40 : 616,221.78 = 242,586.90 : x
  2. Step 2: Convert to fraction form
    446,534.40/616,221.78 = 242,586.90/x
  3. Step 3: Cross multiply
    446,534.40x = 616,221.78 × 242,586.90
  4. Step 4: Simplify right side
    446,534.40x = 149,487,331,322.68
  5. Step 5: Solve for x
    x = 149,487,331,322.68/446,534.40
  6. Step 6: Final answer
    x = 334,772.26

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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.