Home / 1,292,246.92-1,783,300.80-719,274.82

Finding the Fourth Proportional to 1,292,246.92, 1,783,300.80 and 719,274.82

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Solution

The fourth proportional to 1,292,246.92, 1,783,300.80 and 719,274.82 is: 992,599.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,246.92 : 1,783,300.80 = 719,274.82 : x
  2. Step 2: Convert to fraction form
    1,292,246.92/1,783,300.80 = 719,274.82/x
  3. Step 3: Cross multiply
    1,292,246.92x = 1,783,300.80 × 719,274.82
  4. Step 4: Simplify right side
    1,292,246.92x = 1,282,683,361,925.86
  5. Step 5: Solve for x
    x = 1,282,683,361,925.86/1,292,246.92
  6. Step 6: Final answer
    x = 992,599.28

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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.