Home / 971,771.92-1,341,078.60-563,842.96

Finding the Fourth Proportional to 971,771.92, 1,341,078.60 and 563,842.96

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Solution

The fourth proportional to 971,771.92, 1,341,078.60 and 563,842.96 is: 778,122.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,771.92 : 1,341,078.60 = 563,842.96 : x
  2. Step 2: Convert to fraction form
    971,771.92/1,341,078.60 = 563,842.96/x
  3. Step 3: Cross multiply
    971,771.92x = 1,341,078.60 × 563,842.96
  4. Step 4: Simplify right side
    971,771.92x = 756,157,727,416.66
  5. Step 5: Solve for x
    x = 756,157,727,416.66/971,771.92
  6. Step 6: Final answer
    x = 778,122.64

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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.