Home / 724,019.06-999,131.04-401,722.22

Finding the Fourth Proportional to 724,019.06, 999,131.04 and 401,722.22

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Solution

The fourth proportional to 724,019.06, 999,131.04 and 401,722.22 is: 554,368.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,019.06 : 999,131.04 = 401,722.22 : x
  2. Step 2: Convert to fraction form
    724,019.06/999,131.04 = 401,722.22/x
  3. Step 3: Cross multiply
    724,019.06x = 999,131.04 × 401,722.22
  4. Step 4: Simplify right side
    724,019.06x = 401,373,139,459.71
  5. Step 5: Solve for x
    x = 401,373,139,459.71/724,019.06
  6. Step 6: Final answer
    x = 554,368.20

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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.