Home / 839,980.30-1,257,346.05-603,784.30

Finding the Fourth Proportional to 839,980.30, 1,257,346.05 and 603,784.30

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Solution

The fourth proportional to 839,980.30, 1,257,346.05 and 603,784.30 is: 903,790.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,980.30 : 1,257,346.05 = 603,784.30 : x
  2. Step 2: Convert to fraction form
    839,980.30/1,257,346.05 = 603,784.30/x
  3. Step 3: Cross multiply
    839,980.30x = 1,257,346.05 × 603,784.30
  4. Step 4: Simplify right side
    839,980.30x = 759,165,804,657.02
  5. Step 5: Solve for x
    x = 759,165,804,657.02/839,980.30
  6. Step 6: Final answer
    x = 903,790.01

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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.