Home / 1,140,094.88-1,573,085.84-687,376.16

Finding the Fourth Proportional to 1,140,094.88, 1,573,085.84 and 687,376.16

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Solution

The fourth proportional to 1,140,094.88, 1,573,085.84 and 687,376.16 is: 948,431.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,094.88 : 1,573,085.84 = 687,376.16 : x
  2. Step 2: Convert to fraction form
    1,140,094.88/1,573,085.84 = 687,376.16/x
  3. Step 3: Cross multiply
    1,140,094.88x = 1,573,085.84 × 687,376.16
  4. Step 4: Simplify right side
    1,140,094.88x = 1,081,301,704,049.57
  5. Step 5: Solve for x
    x = 1,081,301,704,049.57/1,140,094.88
  6. Step 6: Final answer
    x = 948,431.33

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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.