Home / 1,052,154.86-1,578,217.71-984,911.90

Finding the Fourth Proportional to 1,052,154.86, 1,578,217.71 and 984,911.90

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Solution

The fourth proportional to 1,052,154.86, 1,578,217.71 and 984,911.90 is: 1,477,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,154.86 : 1,578,217.71 = 984,911.90 : x
  2. Step 2: Convert to fraction form
    1,052,154.86/1,578,217.71 = 984,911.90/x
  3. Step 3: Cross multiply
    1,052,154.86x = 1,578,217.71 × 984,911.90
  4. Step 4: Simplify right side
    1,052,154.86x = 1,554,405,403,369.75
  5. Step 5: Solve for x
    x = 1,554,405,403,369.75/1,052,154.86
  6. Step 6: Final answer
    x = 1,477,354.20

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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.