Home / 1,263,426.62-1,743,528.93-719,613.05

Finding the Fourth Proportional to 1,263,426.62, 1,743,528.93 and 719,613.05

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Solution

The fourth proportional to 1,263,426.62, 1,743,528.93 and 719,613.05 is: 993,066.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,426.62 : 1,743,528.93 = 719,613.05 : x
  2. Step 2: Convert to fraction form
    1,263,426.62/1,743,528.93 = 719,613.05/x
  3. Step 3: Cross multiply
    1,263,426.62x = 1,743,528.93 × 719,613.05
  4. Step 4: Simplify right side
    1,263,426.62x = 1,254,666,162,362.89
  5. Step 5: Solve for x
    x = 1,254,666,162,362.89/1,263,426.62
  6. Step 6: Final answer
    x = 993,066.12

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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.