Home / 965,921.80-1,448,882.70-742,410.40

Finding the Fourth Proportional to 965,921.80, 1,448,882.70 and 742,410.40

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Solution

The fourth proportional to 965,921.80, 1,448,882.70 and 742,410.40 is: 1,113,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,921.80 : 1,448,882.70 = 742,410.40 : x
  2. Step 2: Convert to fraction form
    965,921.80/1,448,882.70 = 742,410.40/x
  3. Step 3: Cross multiply
    965,921.80x = 1,448,882.70 × 742,410.40
  4. Step 4: Simplify right side
    965,921.80x = 1,075,665,584,860.08
  5. Step 5: Solve for x
    x = 1,075,665,584,860.08/965,921.80
  6. Step 6: Final answer
    x = 1,113,615.60

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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.