Home / 724,105.35-999,184.29-401,829.03

Finding the Fourth Proportional to 724,105.35, 999,184.29 and 401,829.03

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Solution

The fourth proportional to 724,105.35, 999,184.29 and 401,829.03 is: 554,479.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,105.35 : 999,184.29 = 401,829.03 : x
  2. Step 2: Convert to fraction form
    724,105.35/999,184.29 = 401,829.03/x
  3. Step 3: Cross multiply
    724,105.35x = 999,184.29 × 401,829.03
  4. Step 4: Simplify right side
    724,105.35x = 401,501,254,041.94
  5. Step 5: Solve for x
    x = 401,501,254,041.94/724,105.35
  6. Step 6: Final answer
    x = 554,479.06

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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.