Home / 686,501.15-947,816.27-441,595.43

Finding the Fourth Proportional to 686,501.15, 947,816.27 and 441,595.43

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Solution

The fourth proportional to 686,501.15, 947,816.27 and 441,595.43 is: 609,687.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,501.15 : 947,816.27 = 441,595.43 : x
  2. Step 2: Convert to fraction form
    686,501.15/947,816.27 = 441,595.43/x
  3. Step 3: Cross multiply
    686,501.15x = 947,816.27 × 441,595.43
  4. Step 4: Simplify right side
    686,501.15x = 418,551,326,364.59
  5. Step 5: Solve for x
    x = 418,551,326,364.59/686,501.15
  6. Step 6: Final answer
    x = 609,687.73

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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.