Home / 1,383,432.02-1,908,811.14-839,555.54

Finding the Fourth Proportional to 1,383,432.02, 1,908,811.14 and 839,555.54

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Solution

The fourth proportional to 1,383,432.02, 1,908,811.14 and 839,555.54 is: 1,158,389.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,432.02 : 1,908,811.14 = 839,555.54 : x
  2. Step 2: Convert to fraction form
    1,383,432.02/1,908,811.14 = 839,555.54/x
  3. Step 3: Cross multiply
    1,383,432.02x = 1,908,811.14 × 839,555.54
  4. Step 4: Simplify right side
    1,383,432.02x = 1,602,552,967,400.72
  5. Step 5: Solve for x
    x = 1,602,552,967,400.72/1,383,432.02
  6. Step 6: Final answer
    x = 1,158,389.39

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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.