Home / 839,080.02-1,157,938.38-476,511.42

Finding the Fourth Proportional to 839,080.02, 1,157,938.38 and 476,511.42

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Solution

The fourth proportional to 839,080.02, 1,157,938.38 and 476,511.42 is: 657,590.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,080.02 : 1,157,938.38 = 476,511.42 : x
  2. Step 2: Convert to fraction form
    839,080.02/1,157,938.38 = 476,511.42/x
  3. Step 3: Cross multiply
    839,080.02x = 1,157,938.38 × 476,511.42
  4. Step 4: Simplify right side
    839,080.02x = 551,770,861,726.30
  5. Step 5: Solve for x
    x = 551,770,861,726.30/839,080.02
  6. Step 6: Final answer
    x = 657,590.28

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Double scale
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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.