Home / 963,913.16-1,328,539.83-641,046.35

Finding the Fourth Proportional to 963,913.16, 1,328,539.83 and 641,046.35

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Solution

The fourth proportional to 963,913.16, 1,328,539.83 and 641,046.35 is: 883,539.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,913.16 : 1,328,539.83 = 641,046.35 : x
  2. Step 2: Convert to fraction form
    963,913.16/1,328,539.83 = 641,046.35/x
  3. Step 3: Cross multiply
    963,913.16x = 1,328,539.83 × 641,046.35
  4. Step 4: Simplify right side
    963,913.16x = 851,655,609,768.55
  5. Step 5: Solve for x
    x = 851,655,609,768.55/963,913.16
  6. Step 6: Final answer
    x = 883,539.77

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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.