Home / 828,855.18-1,143,727.45-466,271.53

Finding the Fourth Proportional to 828,855.18, 1,143,727.45 and 466,271.53

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Solution

The fourth proportional to 828,855.18, 1,143,727.45 and 466,271.53 is: 643,402.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,855.18 : 1,143,727.45 = 466,271.53 : x
  2. Step 2: Convert to fraction form
    828,855.18/1,143,727.45 = 466,271.53/x
  3. Step 3: Cross multiply
    828,855.18x = 1,143,727.45 × 466,271.53
  4. Step 4: Simplify right side
    828,855.18x = 533,287,543,989.50
  5. Step 5: Solve for x
    x = 533,287,543,989.50/828,855.18
  6. Step 6: Final answer
    x = 643,402.56

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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.