Home / 1,990,598.32-2,746,158.60-1,265,057.20

Finding the Fourth Proportional to 1,990,598.32, 2,746,158.60 and 1,265,057.20

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Solution

The fourth proportional to 1,990,598.32, 2,746,158.60 and 1,265,057.20 is: 1,745,227.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,598.32 : 2,746,158.60 = 1,265,057.20 : x
  2. Step 2: Convert to fraction form
    1,990,598.32/2,746,158.60 = 1,265,057.20/x
  3. Step 3: Cross multiply
    1,990,598.32x = 2,746,158.60 × 1,265,057.20
  4. Step 4: Simplify right side
    1,990,598.32x = 3,474,047,709,271.92
  5. Step 5: Solve for x
    x = 3,474,047,709,271.92/1,990,598.32
  6. Step 6: Final answer
    x = 1,745,227.89

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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.