Home / 851,041.80-1,274,877.90-551,730.60

Finding the Fourth Proportional to 851,041.80, 1,274,877.90 and 551,730.60

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Solution

The fourth proportional to 851,041.80, 1,274,877.90 and 551,730.60 is: 826,503.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,041.80 : 1,274,877.90 = 551,730.60 : x
  2. Step 2: Convert to fraction form
    851,041.80/1,274,877.90 = 551,730.60/x
  3. Step 3: Cross multiply
    851,041.80x = 1,274,877.90 × 551,730.60
  4. Step 4: Simplify right side
    851,041.80x = 703,389,148,693.74
  5. Step 5: Solve for x
    x = 703,389,148,693.74/851,041.80
  6. Step 6: Final answer
    x = 826,503.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.