Home / 354,631.40-531,947.10-235,917.80

Finding the Fourth Proportional to 354,631.40, 531,947.10 and 235,917.80

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Solution

The fourth proportional to 354,631.40, 531,947.10 and 235,917.80 is: 353,876.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,631.40 : 531,947.10 = 235,917.80 : x
  2. Step 2: Convert to fraction form
    354,631.40/531,947.10 = 235,917.80/x
  3. Step 3: Cross multiply
    354,631.40x = 531,947.10 × 235,917.80
  4. Step 4: Simplify right side
    354,631.40x = 125,495,789,548.38
  5. Step 5: Solve for x
    x = 125,495,789,548.38/354,631.40
  6. Step 6: Final answer
    x = 353,876.70

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1.5x scale

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.