Home / 839,042.56-1,157,905.56-476,482.24

Finding the Fourth Proportional to 839,042.56, 1,157,905.56 and 476,482.24

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Solution

The fourth proportional to 839,042.56, 1,157,905.56 and 476,482.24 is: 657,560.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,042.56 : 1,157,905.56 = 476,482.24 : x
  2. Step 2: Convert to fraction form
    839,042.56/1,157,905.56 = 476,482.24/x
  3. Step 3: Cross multiply
    839,042.56x = 1,157,905.56 × 476,482.24
  4. Step 4: Simplify right side
    839,042.56x = 551,721,434,937.25
  5. Step 5: Solve for x
    x = 551,721,434,937.25/839,042.56
  6. Step 6: Final answer
    x = 657,560.73

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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.