Home / 818,876.25-1,130,084.19-456,300.54

Finding the Fourth Proportional to 818,876.25, 1,130,084.19 and 456,300.54

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Solution

The fourth proportional to 818,876.25, 1,130,084.19 and 456,300.54 is: 629,714.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,876.25 : 1,130,084.19 = 456,300.54 : x
  2. Step 2: Convert to fraction form
    818,876.25/1,130,084.19 = 456,300.54/x
  3. Step 3: Cross multiply
    818,876.25x = 1,130,084.19 × 456,300.54
  4. Step 4: Simplify right side
    818,876.25x = 515,658,026,142.46
  5. Step 5: Solve for x
    x = 515,658,026,142.46/818,876.25
  6. Step 6: Final answer
    x = 629,714.23

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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.