Home / 832,310.52-1,147,970.40-505,622.16

Finding the Fourth Proportional to 832,310.52, 1,147,970.40 and 505,622.16

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Solution

The fourth proportional to 832,310.52, 1,147,970.40 and 505,622.16 is: 697,383.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,310.52 : 1,147,970.40 = 505,622.16 : x
  2. Step 2: Convert to fraction form
    832,310.52/1,147,970.40 = 505,622.16/x
  3. Step 3: Cross multiply
    832,310.52x = 1,147,970.40 × 505,622.16
  4. Step 4: Simplify right side
    832,310.52x = 580,439,273,264.06
  5. Step 5: Solve for x
    x = 580,439,273,264.06/832,310.52
  6. Step 6: Final answer
    x = 697,383.08

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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.