Home / 839,058.81-1,157,890.71-457,077.39

Finding the Fourth Proportional to 839,058.81, 1,157,890.71 and 457,077.39

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Solution

The fourth proportional to 839,058.81, 1,157,890.71 and 457,077.39 is: 630,761.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,058.81 : 1,157,890.71 = 457,077.39 : x
  2. Step 2: Convert to fraction form
    839,058.81/1,157,890.71 = 457,077.39/x
  3. Step 3: Cross multiply
    839,058.81x = 1,157,890.71 × 457,077.39
  4. Step 4: Simplify right side
    839,058.81x = 529,245,663,632.05
  5. Step 5: Solve for x
    x = 529,245,663,632.05/839,058.81
  6. Step 6: Final answer
    x = 630,761.11

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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.