Home / 828,463.02-1,143,320.31-466,000.98

Finding the Fourth Proportional to 828,463.02, 1,143,320.31 and 466,000.98

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Solution

The fourth proportional to 828,463.02, 1,143,320.31 and 466,000.98 is: 643,104.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,463.02 : 1,143,320.31 = 466,000.98 : x
  2. Step 2: Convert to fraction form
    828,463.02/1,143,320.31 = 466,000.98/x
  3. Step 3: Cross multiply
    828,463.02x = 1,143,320.31 × 466,000.98
  4. Step 4: Simplify right side
    828,463.02x = 532,788,384,913.90
  5. Step 5: Solve for x
    x = 532,788,384,913.90/828,463.02
  6. Step 6: Final answer
    x = 643,104.61

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Double scale
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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.