Home / 828,460.01-1,143,141.44-465,862.25

Finding the Fourth Proportional to 828,460.01, 1,143,141.44 and 465,862.25

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Solution

The fourth proportional to 828,460.01, 1,143,141.44 and 465,862.25 is: 642,814.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,460.01 : 1,143,141.44 = 465,862.25 : x
  2. Step 2: Convert to fraction form
    828,460.01/1,143,141.44 = 465,862.25/x
  3. Step 3: Cross multiply
    828,460.01x = 1,143,141.44 × 465,862.25
  4. Step 4: Simplify right side
    828,460.01x = 532,546,437,590.93
  5. Step 5: Solve for x
    x = 532,546,437,590.93/828,460.01
  6. Step 6: Final answer
    x = 642,814.90

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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.