Home / 520,631.34-781,044.75-236,341.83

Finding the Fourth Proportional to 520,631.34, 781,044.75 and 236,341.83

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Solution

The fourth proportional to 520,631.34, 781,044.75 and 236,341.83 is: 354,557.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,631.34 : 781,044.75 = 236,341.83 : x
  2. Step 2: Convert to fraction form
    520,631.34/781,044.75 = 236,341.83/x
  3. Step 3: Cross multiply
    520,631.34x = 781,044.75 × 236,341.83
  4. Step 4: Simplify right side
    520,631.34x = 184,593,548,455.81
  5. Step 5: Solve for x
    x = 184,593,548,455.81/520,631.34
  6. Step 6: Final answer
    x = 354,557.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.