Home / 818,967.89-1,130,160.33-456,383.76

Finding the Fourth Proportional to 818,967.89, 1,130,160.33 and 456,383.76

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Solution

The fourth proportional to 818,967.89, 1,130,160.33 and 456,383.76 is: 629,801.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,967.89 : 1,130,160.33 = 456,383.76 : x
  2. Step 2: Convert to fraction form
    818,967.89/1,130,160.33 = 456,383.76/x
  3. Step 3: Cross multiply
    818,967.89x = 1,130,160.33 × 456,383.76
  4. Step 4: Simplify right side
    818,967.89x = 515,786,820,808.24
  5. Step 5: Solve for x
    x = 515,786,820,808.24/818,967.89
  6. Step 6: Final answer
    x = 629,801.03

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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.