Home / 828,185.01-1,142,907.06-465,588.61

Finding the Fourth Proportional to 828,185.01, 1,142,907.06 and 465,588.61

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Solution

The fourth proportional to 828,185.01, 1,142,907.06 and 465,588.61 is: 642,518.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,185.01 : 1,142,907.06 = 465,588.61 : x
  2. Step 2: Convert to fraction form
    828,185.01/1,142,907.06 = 465,588.61/x
  3. Step 3: Cross multiply
    828,185.01x = 1,142,907.06 × 465,588.61
  4. Step 4: Simplify right side
    828,185.01x = 532,124,508,313.28
  5. Step 5: Solve for x
    x = 532,124,508,313.28/828,185.01
  6. Step 6: Final answer
    x = 642,518.89

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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.