Home / 818,573.42-1,129,666.15-455,996.84

Finding the Fourth Proportional to 818,573.42, 1,129,666.15 and 455,996.84

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Solution

The fourth proportional to 818,573.42, 1,129,666.15 and 455,996.84 is: 629,295.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,573.42 : 1,129,666.15 = 455,996.84 : x
  2. Step 2: Convert to fraction form
    818,573.42/1,129,666.15 = 455,996.84/x
  3. Step 3: Cross multiply
    818,573.42x = 1,129,666.15 × 455,996.84
  4. Step 4: Simplify right side
    818,573.42x = 515,124,189,006.64
  5. Step 5: Solve for x
    x = 515,124,189,006.64/818,573.42
  6. Step 6: Final answer
    x = 629,295.04

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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.