Home / 965,904.30-1,448,856.45-742,392.90

Finding the Fourth Proportional to 965,904.30, 1,448,856.45 and 742,392.90

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Solution

The fourth proportional to 965,904.30, 1,448,856.45 and 742,392.90 is: 1,113,589.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,904.30 : 1,448,856.45 = 742,392.90 : x
  2. Step 2: Convert to fraction form
    965,904.30/1,448,856.45 = 742,392.90/x
  3. Step 3: Cross multiply
    965,904.30x = 1,448,856.45 × 742,392.90
  4. Step 4: Simplify right side
    965,904.30x = 1,075,620,741,599.21
  5. Step 5: Solve for x
    x = 1,075,620,741,599.21/965,904.30
  6. Step 6: Final answer
    x = 1,113,589.35

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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.