Home / 838,806.64-1,157,582.14-476,218.44

Finding the Fourth Proportional to 838,806.64, 1,157,582.14 and 476,218.44

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Solution

The fourth proportional to 838,806.64, 1,157,582.14 and 476,218.44 is: 657,197.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,806.64 : 1,157,582.14 = 476,218.44 : x
  2. Step 2: Convert to fraction form
    838,806.64/1,157,582.14 = 476,218.44/x
  3. Step 3: Cross multiply
    838,806.64x = 1,157,582.14 × 476,218.44
  4. Step 4: Simplify right side
    838,806.64x = 551,261,959,692.12
  5. Step 5: Solve for x
    x = 551,261,959,692.12/838,806.64
  6. Step 6: Final answer
    x = 657,197.90

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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.