Home / 972,362.40-1,458,778.32-365,155.68

Finding the Fourth Proportional to 972,362.40, 1,458,778.32 and 365,155.68

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Solution

The fourth proportional to 972,362.40, 1,458,778.32 and 365,155.68 is: 547,821.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,362.40 : 1,458,778.32 = 365,155.68 : x
  2. Step 2: Convert to fraction form
    972,362.40/1,458,778.32 = 365,155.68/x
  3. Step 3: Cross multiply
    972,362.40x = 1,458,778.32 × 365,155.68
  4. Step 4: Simplify right side
    972,362.40x = 532,681,189,408.86
  5. Step 5: Solve for x
    x = 532,681,189,408.86/972,362.40
  6. Step 6: Final answer
    x = 547,821.67

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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.