Home / 839,005.26-1,157,829.35-457,034.82

Finding the Fourth Proportional to 839,005.26, 1,157,829.35 and 457,034.82

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Solution

The fourth proportional to 839,005.26, 1,157,829.35 and 457,034.82 is: 630,709.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,005.26 : 1,157,829.35 = 457,034.82 : x
  2. Step 2: Convert to fraction form
    839,005.26/1,157,829.35 = 457,034.82/x
  3. Step 3: Cross multiply
    839,005.26x = 1,157,829.35 × 457,034.82
  4. Step 4: Simplify right side
    839,005.26x = 529,168,328,567.97
  5. Step 5: Solve for x
    x = 529,168,328,567.97/839,005.26
  6. Step 6: Final answer
    x = 630,709.19

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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.