Home / 623,221.52-935,702.76-319,827.92

Finding the Fourth Proportional to 623,221.52, 935,702.76 and 319,827.92

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Solution

The fourth proportional to 623,221.52, 935,702.76 and 319,827.92 is: 480,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,221.52 : 935,702.76 = 319,827.92 : x
  2. Step 2: Convert to fraction form
    623,221.52/935,702.76 = 319,827.92/x
  3. Step 3: Cross multiply
    623,221.52x = 935,702.76 × 319,827.92
  4. Step 4: Simplify right side
    623,221.52x = 299,263,867,469.06
  5. Step 5: Solve for x
    x = 299,263,867,469.06/623,221.52
  6. Step 6: Final answer
    x = 480,188.60

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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.