Home / 1,539,907.79-2,309,286.41-528,742.67

Finding the Fourth Proportional to 1,539,907.79, 2,309,286.41 and 528,742.67

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Solution

The fourth proportional to 1,539,907.79, 2,309,286.41 and 528,742.67 is: 792,916.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,907.79 : 2,309,286.41 = 528,742.67 : x
  2. Step 2: Convert to fraction form
    1,539,907.79/2,309,286.41 = 528,742.67/x
  3. Step 3: Cross multiply
    1,539,907.79x = 2,309,286.41 × 528,742.67
  4. Step 4: Simplify right side
    1,539,907.79x = 1,221,018,259,574.40
  5. Step 5: Solve for x
    x = 1,221,018,259,574.40/1,539,907.79
  6. Step 6: Final answer
    x = 792,916.48

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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.