Home / 1,314,551.21-1,814,081.87-710,939.21

Finding the Fourth Proportional to 1,314,551.21, 1,814,081.87 and 710,939.21

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Solution

The fourth proportional to 1,314,551.21, 1,814,081.87 and 710,939.21 is: 981,096.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,551.21 : 1,814,081.87 = 710,939.21 : x
  2. Step 2: Convert to fraction form
    1,314,551.21/1,814,081.87 = 710,939.21/x
  3. Step 3: Cross multiply
    1,314,551.21x = 1,814,081.87 × 710,939.21
  4. Step 4: Simplify right side
    1,314,551.21x = 1,289,701,931,533.12
  5. Step 5: Solve for x
    x = 1,289,701,931,533.12/1,314,551.21
  6. Step 6: Final answer
    x = 981,096.76

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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.