Home / 519,948.52-779,912.39-235,586.07

Finding the Fourth Proportional to 519,948.52, 779,912.39 and 235,586.07

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Solution

The fourth proportional to 519,948.52, 779,912.39 and 235,586.07 is: 353,374.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,948.52 : 779,912.39 = 235,586.07 : x
  2. Step 2: Convert to fraction form
    519,948.52/779,912.39 = 235,586.07/x
  3. Step 3: Cross multiply
    519,948.52x = 779,912.39 × 235,586.07
  4. Step 4: Simplify right side
    519,948.52x = 183,736,495,493.37
  5. Step 5: Solve for x
    x = 183,736,495,493.37/519,948.52
  6. Step 6: Final answer
    x = 353,374.40

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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.