Home / 867,754.40-1,197,466.08-505,188.68

Finding the Fourth Proportional to 867,754.40, 1,197,466.08 and 505,188.68

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Solution

The fourth proportional to 867,754.40, 1,197,466.08 and 505,188.68 is: 697,140.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,754.40 : 1,197,466.08 = 505,188.68 : x
  2. Step 2: Convert to fraction form
    867,754.40/1,197,466.08 = 505,188.68/x
  3. Step 3: Cross multiply
    867,754.40x = 1,197,466.08 × 505,188.68
  4. Step 4: Simplify right side
    867,754.40x = 604,946,308,299.98
  5. Step 5: Solve for x
    x = 604,946,308,299.98/867,754.40
  6. Step 6: Final answer
    x = 697,140.01

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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.