Home / 746,522.60-1,030,216.66-419,841.86

Finding the Fourth Proportional to 746,522.60, 1,030,216.66 and 419,841.86

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Solution

The fourth proportional to 746,522.60, 1,030,216.66 and 419,841.86 is: 579,390.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,522.60 : 1,030,216.66 = 419,841.86 : x
  2. Step 2: Convert to fraction form
    746,522.60/1,030,216.66 = 419,841.86/x
  3. Step 3: Cross multiply
    746,522.60x = 1,030,216.66 × 419,841.86
  4. Step 4: Simplify right side
    746,522.60x = 432,528,078,737.39
  5. Step 5: Solve for x
    x = 432,528,078,737.39/746,522.60
  6. Step 6: Final answer
    x = 579,390.47

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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.