Home / 911,266.20-1,257,521.76-503,360.46

Finding the Fourth Proportional to 911,266.20, 1,257,521.76 and 503,360.46

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Solution

The fourth proportional to 911,266.20, 1,257,521.76 and 503,360.46 is: 694,623.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,266.20 : 1,257,521.76 = 503,360.46 : x
  2. Step 2: Convert to fraction form
    911,266.20/1,257,521.76 = 503,360.46/x
  3. Step 3: Cross multiply
    911,266.20x = 1,257,521.76 × 503,360.46
  4. Step 4: Simplify right side
    911,266.20x = 632,986,731,573.61
  5. Step 5: Solve for x
    x = 632,986,731,573.61/911,266.20
  6. Step 6: Final answer
    x = 694,623.30

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1.5x scale

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.