Home / 818,108.55-1,226,752.18-476,662.50

Finding the Fourth Proportional to 818,108.55, 1,226,752.18 and 476,662.50

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Solution

The fourth proportional to 818,108.55, 1,226,752.18 and 476,662.50 is: 714,754.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,108.55 : 1,226,752.18 = 476,662.50 : x
  2. Step 2: Convert to fraction form
    818,108.55/1,226,752.18 = 476,662.50/x
  3. Step 3: Cross multiply
    818,108.55x = 1,226,752.18 × 476,662.50
  4. Step 4: Simplify right side
    818,108.55x = 584,746,760,999.25
  5. Step 5: Solve for x
    x = 584,746,760,999.25/818,108.55
  6. Step 6: Final answer
    x = 714,754.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.