Home / 1,670,931.84-2,504,152.67-911,635.51

Finding the Fourth Proportional to 1,670,931.84, 2,504,152.67 and 911,635.51

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Solution

The fourth proportional to 1,670,931.84, 2,504,152.67 and 911,635.51 is: 1,366,228.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,931.84 : 2,504,152.67 = 911,635.51 : x
  2. Step 2: Convert to fraction form
    1,670,931.84/2,504,152.67 = 911,635.51/x
  3. Step 3: Cross multiply
    1,670,931.84x = 2,504,152.67 × 911,635.51
  4. Step 4: Simplify right side
    1,670,931.84x = 2,282,874,490,309.94
  5. Step 5: Solve for x
    x = 2,282,874,490,309.94/1,670,931.84
  6. Step 6: Final answer
    x = 1,366,228.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.