Home / 722,826.08-997,172.88-436,254.56

Finding the Fourth Proportional to 722,826.08, 997,172.88 and 436,254.56

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Solution

The fourth proportional to 722,826.08, 997,172.88 and 436,254.56 is: 601,833.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,826.08 : 997,172.88 = 436,254.56 : x
  2. Step 2: Convert to fraction form
    722,826.08/997,172.88 = 436,254.56/x
  3. Step 3: Cross multiply
    722,826.08x = 997,172.88 × 436,254.56
  4. Step 4: Simplify right side
    722,826.08x = 435,021,216,008.33
  5. Step 5: Solve for x
    x = 435,021,216,008.33/722,826.08
  6. Step 6: Final answer
    x = 601,833.87

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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.