Home / 464,417.03-640,902.84-260,513.30

Finding the Fourth Proportional to 464,417.03, 640,902.84 and 260,513.30

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Solution

The fourth proportional to 464,417.03, 640,902.84 and 260,513.30 is: 359,512.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,417.03 : 640,902.84 = 260,513.30 : x
  2. Step 2: Convert to fraction form
    464,417.03/640,902.84 = 260,513.30/x
  3. Step 3: Cross multiply
    464,417.03x = 640,902.84 × 260,513.30
  4. Step 4: Simplify right side
    464,417.03x = 166,963,713,827.77
  5. Step 5: Solve for x
    x = 166,963,713,827.77/464,417.03
  6. Step 6: Final answer
    x = 359,512.47

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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.