Home / 948,087.48-1,308,351.78-518,363.04

Finding the Fourth Proportional to 948,087.48, 1,308,351.78 and 518,363.04

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Solution

The fourth proportional to 948,087.48, 1,308,351.78 and 518,363.04 is: 715,336.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,087.48 : 1,308,351.78 = 518,363.04 : x
  2. Step 2: Convert to fraction form
    948,087.48/1,308,351.78 = 518,363.04/x
  3. Step 3: Cross multiply
    948,087.48x = 1,308,351.78 × 518,363.04
  4. Step 4: Simplify right side
    948,087.48x = 678,201,206,070.21
  5. Step 5: Solve for x
    x = 678,201,206,070.21/948,087.48
  6. Step 6: Final answer
    x = 715,336.11

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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.