Home / 828,718.98-1,143,625.95-471,022.98

Finding the Fourth Proportional to 828,718.98, 1,143,625.95 and 471,022.98

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Solution

The fourth proportional to 828,718.98, 1,143,625.95 and 471,022.98 is: 650,008.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,718.98 : 1,143,625.95 = 471,022.98 : x
  2. Step 2: Convert to fraction form
    828,718.98/1,143,625.95 = 471,022.98/x
  3. Step 3: Cross multiply
    828,718.98x = 1,143,625.95 × 471,022.98
  4. Step 4: Simplify right side
    828,718.98x = 538,674,102,974.33
  5. Step 5: Solve for x
    x = 538,674,102,974.33/828,718.98
  6. Step 6: Final answer
    x = 650,008.16

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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.