Home / 828,459.26-1,143,140.41-465,861.50

Finding the Fourth Proportional to 828,459.26, 1,143,140.41 and 465,861.50

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Solution

The fourth proportional to 828,459.26, 1,143,140.41 and 465,861.50 is: 642,813.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,459.26 : 1,143,140.41 = 465,861.50 : x
  2. Step 2: Convert to fraction form
    828,459.26/1,143,140.41 = 465,861.50/x
  3. Step 3: Cross multiply
    828,459.26x = 1,143,140.41 × 465,861.50
  4. Step 4: Simplify right side
    828,459.26x = 532,545,098,068.21
  5. Step 5: Solve for x
    x = 532,545,098,068.21/828,459.26
  6. Step 6: Final answer
    x = 642,813.87

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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.