Home / 839,162.70-1,158,033.71-457,189.79

Finding the Fourth Proportional to 839,162.70, 1,158,033.71 and 457,189.79

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Solution

The fourth proportional to 839,162.70, 1,158,033.71 and 457,189.79 is: 630,916.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,162.70 : 1,158,033.71 = 457,189.79 : x
  2. Step 2: Convert to fraction form
    839,162.70/1,158,033.71 = 457,189.79/x
  3. Step 3: Cross multiply
    839,162.70x = 1,158,033.71 × 457,189.79
  4. Step 4: Simplify right side
    839,162.70x = 529,441,184,040.63
  5. Step 5: Solve for x
    x = 529,441,184,040.63/839,162.70
  6. Step 6: Final answer
    x = 630,916.01

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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.