Home / 1,570,315.61-2,355,485.20-859,956.14

Finding the Fourth Proportional to 1,570,315.61, 2,355,485.20 and 859,956.14

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Solution

The fourth proportional to 1,570,315.61, 2,355,485.20 and 859,956.14 is: 1,289,940.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,315.61 : 2,355,485.20 = 859,956.14 : x
  2. Step 2: Convert to fraction form
    1,570,315.61/2,355,485.20 = 859,956.14/x
  3. Step 3: Cross multiply
    1,570,315.61x = 2,355,485.20 × 859,956.14
  4. Step 4: Simplify right side
    1,570,315.61x = 2,025,613,964,157.95
  5. Step 5: Solve for x
    x = 2,025,613,964,157.95/1,570,315.61
  6. Step 6: Final answer
    x = 1,289,940.66

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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.