Home / 805,364.88-1,207,562.34-355,856.16

Finding the Fourth Proportional to 805,364.88, 1,207,562.34 and 355,856.16

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Solution

The fourth proportional to 805,364.88, 1,207,562.34 and 355,856.16 is: 533,569.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,364.88 : 1,207,562.34 = 355,856.16 : x
  2. Step 2: Convert to fraction form
    805,364.88/1,207,562.34 = 355,856.16/x
  3. Step 3: Cross multiply
    805,364.88x = 1,207,562.34 × 355,856.16
  4. Step 4: Simplify right side
    805,364.88x = 429,718,497,273.01
  5. Step 5: Solve for x
    x = 429,718,497,273.01/805,364.88
  6. Step 6: Final answer
    x = 533,569.95

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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.