Home / 1,305,359.34-1,958,439.88-623,116.77

Finding the Fourth Proportional to 1,305,359.34, 1,958,439.88 and 623,116.77

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Solution

The fourth proportional to 1,305,359.34, 1,958,439.88 and 623,116.77 is: 934,866.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,359.34 : 1,958,439.88 = 623,116.77 : x
  2. Step 2: Convert to fraction form
    1,305,359.34/1,958,439.88 = 623,116.77/x
  3. Step 3: Cross multiply
    1,305,359.34x = 1,958,439.88 × 623,116.77
  4. Step 4: Simplify right side
    1,305,359.34x = 1,220,336,730,707.00
  5. Step 5: Solve for x
    x = 1,220,336,730,707.00/1,305,359.34
  6. Step 6: Final answer
    x = 934,866.51

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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.