Home / 724,241.40-999,451.50-401,955.24

Finding the Fourth Proportional to 724,241.40, 999,451.50 and 401,955.24

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Solution

The fourth proportional to 724,241.40, 999,451.50 and 401,955.24 is: 554,697.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,241.40 : 999,451.50 = 401,955.24 : x
  2. Step 2: Convert to fraction form
    724,241.40/999,451.50 = 401,955.24/x
  3. Step 3: Cross multiply
    724,241.40x = 999,451.50 × 401,955.24
  4. Step 4: Simplify right side
    724,241.40x = 401,734,767,550.86
  5. Step 5: Solve for x
    x = 401,734,767,550.86/724,241.40
  6. Step 6: Final answer
    x = 554,697.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.