Home / 1,434,019.05-2,151,087.93-423,141

Finding the Fourth Proportional to 1,434,019.05, 2,151,087.93 and 423,141

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Solution

The fourth proportional to 1,434,019.05, 2,151,087.93 and 423,141 is: 634,729.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,019.05 : 2,151,087.93 = 423,141 : x
  2. Step 2: Convert to fraction form
    1,434,019.05/2,151,087.93 = 423,141/x
  3. Step 3: Cross multiply
    1,434,019.05x = 2,151,087.93 × 423,141
  4. Step 4: Simplify right side
    1,434,019.05x = 910,213,497,788.13
  5. Step 5: Solve for x
    x = 910,213,497,788.13/1,434,019.05
  6. Step 6: Final answer
    x = 634,729.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.