Home / 818,869.45-1,130,024.57-456,285.58

Finding the Fourth Proportional to 818,869.45, 1,130,024.57 and 456,285.58

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Solution

The fourth proportional to 818,869.45, 1,130,024.57 and 456,285.58 is: 629,665.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,869.45 : 1,130,024.57 = 456,285.58 : x
  2. Step 2: Convert to fraction form
    818,869.45/1,130,024.57 = 456,285.58/x
  3. Step 3: Cross multiply
    818,869.45x = 1,130,024.57 × 456,285.58
  4. Step 4: Simplify right side
    818,869.45x = 515,613,916,975.01
  5. Step 5: Solve for x
    x = 515,613,916,975.01/818,869.45
  6. Step 6: Final answer
    x = 629,665.59

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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.