Home / 718,618.97-1,075,686.35-529,293.11

Finding the Fourth Proportional to 718,618.97, 1,075,686.35 and 529,293.11

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Solution

The fourth proportional to 718,618.97, 1,075,686.35 and 529,293.11 is: 792,288.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,618.97 : 1,075,686.35 = 529,293.11 : x
  2. Step 2: Convert to fraction form
    718,618.97/1,075,686.35 = 529,293.11/x
  3. Step 3: Cross multiply
    718,618.97x = 1,075,686.35 × 529,293.11
  4. Step 4: Simplify right side
    718,618.97x = 569,353,373,576.05
  5. Step 5: Solve for x
    x = 569,353,373,576.05/718,618.97
  6. Step 6: Final answer
    x = 792,288.27

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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.