Home / 678,159.06-936,636.22-446,621.03

Finding the Fourth Proportional to 678,159.06, 936,636.22 and 446,621.03

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Solution

The fourth proportional to 678,159.06, 936,636.22 and 446,621.03 is: 616,848.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,159.06 : 936,636.22 = 446,621.03 : x
  2. Step 2: Convert to fraction form
    678,159.06/936,636.22 = 446,621.03/x
  3. Step 3: Cross multiply
    678,159.06x = 936,636.22 × 446,621.03
  4. Step 4: Simplify right side
    678,159.06x = 418,321,433,311.71
  5. Step 5: Solve for x
    x = 418,321,433,311.71/678,159.06
  6. Step 6: Final answer
    x = 616,848.55

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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.