Home / 818,426.45-1,225,543.55-683,154.18

Finding the Fourth Proportional to 818,426.45, 1,225,543.55 and 683,154.18

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Solution

The fourth proportional to 818,426.45, 1,225,543.55 and 683,154.18 is: 1,022,981.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,426.45 : 1,225,543.55 = 683,154.18 : x
  2. Step 2: Convert to fraction form
    818,426.45/1,225,543.55 = 683,154.18/x
  3. Step 3: Cross multiply
    818,426.45x = 1,225,543.55 × 683,154.18
  4. Step 4: Simplify right side
    818,426.45x = 837,235,195,538.77
  5. Step 5: Solve for x
    x = 837,235,195,538.77/818,426.45
  6. Step 6: Final answer
    x = 1,022,981.59

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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.