Home / 716,886.96-1,075,486.02-218,238

Finding the Fourth Proportional to 716,886.96, 1,075,486.02 and 218,238

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Solution

The fourth proportional to 716,886.96, 1,075,486.02 and 218,238 is: 327,404.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,886.96 : 1,075,486.02 = 218,238 : x
  2. Step 2: Convert to fraction form
    716,886.96/1,075,486.02 = 218,238/x
  3. Step 3: Cross multiply
    716,886.96x = 1,075,486.02 × 218,238
  4. Step 4: Simplify right side
    716,886.96x = 234,711,918,032.76
  5. Step 5: Solve for x
    x = 234,711,918,032.76/716,886.96
  6. Step 6: Final answer
    x = 327,404.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.