Home / 947,984.48-1,308,223.22-518,264.64

Finding the Fourth Proportional to 947,984.48, 1,308,223.22 and 518,264.64

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Solution

The fourth proportional to 947,984.48, 1,308,223.22 and 518,264.64 is: 715,207.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,984.48 : 1,308,223.22 = 518,264.64 : x
  2. Step 2: Convert to fraction form
    947,984.48/1,308,223.22 = 518,264.64/x
  3. Step 3: Cross multiply
    947,984.48x = 1,308,223.22 × 518,264.64
  4. Step 4: Simplify right side
    947,984.48x = 678,005,836,152.94
  5. Step 5: Solve for x
    x = 678,005,836,152.94/947,984.48
  6. Step 6: Final answer
    x = 715,207.74

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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.