Home / 838,186.59-1,156,696.61-456,212.46

Finding the Fourth Proportional to 838,186.59, 1,156,696.61 and 456,212.46

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Solution

The fourth proportional to 838,186.59, 1,156,696.61 and 456,212.46 is: 629,572.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,186.59 : 1,156,696.61 = 456,212.46 : x
  2. Step 2: Convert to fraction form
    838,186.59/1,156,696.61 = 456,212.46/x
  3. Step 3: Cross multiply
    838,186.59x = 1,156,696.61 × 456,212.46
  4. Step 4: Simplify right side
    838,186.59x = 527,699,405,921.76
  5. Step 5: Solve for x
    x = 527,699,405,921.76/838,186.59
  6. Step 6: Final answer
    x = 629,572.71

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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.