Home / 674,671.12-931,015.56-416,663.44

Finding the Fourth Proportional to 674,671.12, 931,015.56 and 416,663.44

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Solution

The fourth proportional to 674,671.12, 931,015.56 and 416,663.44 is: 574,976.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,671.12 : 931,015.56 = 416,663.44 : x
  2. Step 2: Convert to fraction form
    674,671.12/931,015.56 = 416,663.44/x
  3. Step 3: Cross multiply
    674,671.12x = 931,015.56 × 416,663.44
  4. Step 4: Simplify right side
    674,671.12x = 387,920,145,923.13
  5. Step 5: Solve for x
    x = 387,920,145,923.13/674,671.12
  6. Step 6: Final answer
    x = 574,976.66

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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.