Home / 1,235,106.40-1,852,659.60-603,695.20

Finding the Fourth Proportional to 1,235,106.40, 1,852,659.60 and 603,695.20

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Solution

The fourth proportional to 1,235,106.40, 1,852,659.60 and 603,695.20 is: 905,542.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,106.40 : 1,852,659.60 = 603,695.20 : x
  2. Step 2: Convert to fraction form
    1,235,106.40/1,852,659.60 = 603,695.20/x
  3. Step 3: Cross multiply
    1,235,106.40x = 1,852,659.60 × 603,695.20
  4. Step 4: Simplify right side
    1,235,106.40x = 1,118,441,707,753.92
  5. Step 5: Solve for x
    x = 1,118,441,707,753.92/1,235,106.40
  6. Step 6: Final answer
    x = 905,542.80

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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.