Home / 1,218,528.37-1,681,621.69-674,664.14

Finding the Fourth Proportional to 1,218,528.37, 1,681,621.69 and 674,664.14

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Solution

The fourth proportional to 1,218,528.37, 1,681,621.69 and 674,664.14 is: 931,065.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,528.37 : 1,681,621.69 = 674,664.14 : x
  2. Step 2: Convert to fraction form
    1,218,528.37/1,681,621.69 = 674,664.14/x
  3. Step 3: Cross multiply
    1,218,528.37x = 1,681,621.69 × 674,664.14
  4. Step 4: Simplify right side
    1,218,528.37x = 1,134,529,845,443.47
  5. Step 5: Solve for x
    x = 1,134,529,845,443.47/1,218,528.37
  6. Step 6: Final answer
    x = 931,065.60

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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.