Home / 818,569.50-1,228,484.70-659,035.74

Finding the Fourth Proportional to 818,569.50, 1,228,484.70 and 659,035.74

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Solution

The fourth proportional to 818,569.50, 1,228,484.70 and 659,035.74 is: 989,061.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,569.50 : 1,228,484.70 = 659,035.74 : x
  2. Step 2: Convert to fraction form
    818,569.50/1,228,484.70 = 659,035.74/x
  3. Step 3: Cross multiply
    818,569.50x = 1,228,484.70 × 659,035.74
  4. Step 4: Simplify right side
    818,569.50x = 809,615,323,343.18
  5. Step 5: Solve for x
    x = 809,615,323,343.18/818,569.50
  6. Step 6: Final answer
    x = 989,061.19

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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.