Home / 746,526.60-1,030,222.18-419,845.86

Finding the Fourth Proportional to 746,526.60, 1,030,222.18 and 419,845.86

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Solution

The fourth proportional to 746,526.60, 1,030,222.18 and 419,845.86 is: 579,395.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,526.60 : 1,030,222.18 = 419,845.86 : x
  2. Step 2: Convert to fraction form
    746,526.60/1,030,222.18 = 419,845.86/x
  3. Step 3: Cross multiply
    746,526.60x = 1,030,222.18 × 419,845.86
  4. Step 4: Simplify right side
    746,526.60x = 432,534,517,153.18
  5. Step 5: Solve for x
    x = 432,534,517,153.18/746,526.60
  6. Step 6: Final answer
    x = 579,395.99

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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.