Home / 1,057,420.93-1,583,399.72-729,796.67

Finding the Fourth Proportional to 1,057,420.93, 1,583,399.72 and 729,796.67

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Solution

The fourth proportional to 1,057,420.93, 1,583,399.72 and 729,796.67 is: 1,092,809.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,420.93 : 1,583,399.72 = 729,796.67 : x
  2. Step 2: Convert to fraction form
    1,057,420.93/1,583,399.72 = 729,796.67/x
  3. Step 3: Cross multiply
    1,057,420.93x = 1,583,399.72 × 729,796.67
  4. Step 4: Simplify right side
    1,057,420.93x = 1,155,559,831,368.95
  5. Step 5: Solve for x
    x = 1,155,559,831,368.95/1,057,420.93
  6. Step 6: Final answer
    x = 1,092,809.69

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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.