Home / 1,292,246.42-1,783,300.11-719,274.32

Finding the Fourth Proportional to 1,292,246.42, 1,783,300.11 and 719,274.32

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Solution

The fourth proportional to 1,292,246.42, 1,783,300.11 and 719,274.32 is: 992,598.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,246.42 : 1,783,300.11 = 719,274.32 : x
  2. Step 2: Convert to fraction form
    1,292,246.42/1,783,300.11 = 719,274.32/x
  3. Step 3: Cross multiply
    1,292,246.42x = 1,783,300.11 × 719,274.32
  4. Step 4: Simplify right side
    1,292,246.42x = 1,282,681,973,976.18
  5. Step 5: Solve for x
    x = 1,282,681,973,976.18/1,292,246.42
  6. Step 6: Final answer
    x = 992,598.59

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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.