Home / 1,605,880.32-2,409,209.28-805,172.64

Finding the Fourth Proportional to 1,605,880.32, 2,409,209.28 and 805,172.64

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Solution

The fourth proportional to 1,605,880.32, 2,409,209.28 and 805,172.64 is: 1,207,953.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,880.32 : 2,409,209.28 = 805,172.64 : x
  2. Step 2: Convert to fraction form
    1,605,880.32/2,409,209.28 = 805,172.64/x
  3. Step 3: Cross multiply
    1,605,880.32x = 2,409,209.28 × 805,172.64
  4. Step 4: Simplify right side
    1,605,880.32x = 1,939,829,396,290.10
  5. Step 5: Solve for x
    x = 1,939,829,396,290.10/1,605,880.32
  6. Step 6: Final answer
    x = 1,207,953.90

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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.