Home / 1,316,544.06-1,816,820.40-712,932.06

Finding the Fourth Proportional to 1,316,544.06, 1,816,820.40 and 712,932.06

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Solution

The fourth proportional to 1,316,544.06, 1,816,820.40 and 712,932.06 is: 983,840.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,544.06 : 1,816,820.40 = 712,932.06 : x
  2. Step 2: Convert to fraction form
    1,316,544.06/1,816,820.40 = 712,932.06/x
  3. Step 3: Cross multiply
    1,316,544.06x = 1,816,820.40 × 712,932.06
  4. Step 4: Simplify right side
    1,316,544.06x = 1,295,269,510,422.02
  5. Step 5: Solve for x
    x = 1,295,269,510,422.02/1,316,544.06
  6. Step 6: Final answer
    x = 983,840.61

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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.