Home / 948,050.82-1,308,310.16-518,330.97

Finding the Fourth Proportional to 948,050.82, 1,308,310.16 and 518,330.97

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Solution

The fourth proportional to 948,050.82, 1,308,310.16 and 518,330.97 is: 715,296.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,050.82 : 1,308,310.16 = 518,330.97 : x
  2. Step 2: Convert to fraction form
    948,050.82/1,308,310.16 = 518,330.97/x
  3. Step 3: Cross multiply
    948,050.82x = 1,308,310.16 × 518,330.97
  4. Step 4: Simplify right side
    948,050.82x = 678,137,671,702.00
  5. Step 5: Solve for x
    x = 678,137,671,702.00/948,050.82
  6. Step 6: Final answer
    x = 715,296.75

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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.