Home / 839,009.30-1,157,826.90-457,036.08

Finding the Fourth Proportional to 839,009.30, 1,157,826.90 and 457,036.08

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Solution

The fourth proportional to 839,009.30, 1,157,826.90 and 457,036.08 is: 630,706.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,009.30 : 1,157,826.90 = 457,036.08 : x
  2. Step 2: Convert to fraction form
    839,009.30/1,157,826.90 = 457,036.08/x
  3. Step 3: Cross multiply
    839,009.30x = 1,157,826.90 × 457,036.08
  4. Step 4: Simplify right side
    839,009.30x = 529,168,667,694.55
  5. Step 5: Solve for x
    x = 529,168,667,694.55/839,009.30
  6. Step 6: Final answer
    x = 630,706.56

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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.