Home / 705,896.12-973,466.16-464,383.28

Finding the Fourth Proportional to 705,896.12, 973,466.16 and 464,383.28

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Solution

The fourth proportional to 705,896.12, 973,466.16 and 464,383.28 is: 640,407.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,896.12 : 973,466.16 = 464,383.28 : x
  2. Step 2: Convert to fraction form
    705,896.12/973,466.16 = 464,383.28/x
  3. Step 3: Cross multiply
    705,896.12x = 973,466.16 × 464,383.28
  4. Step 4: Simplify right side
    705,896.12x = 452,061,408,349.81
  5. Step 5: Solve for x
    x = 452,061,408,349.81/705,896.12
  6. Step 6: Final answer
    x = 640,407.84

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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.