Home / 697,071.20-1,046,643.60-539,477.60

Finding the Fourth Proportional to 697,071.20, 1,046,643.60 and 539,477.60

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Solution

The fourth proportional to 697,071.20, 1,046,643.60 and 539,477.60 is: 810,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,071.20 : 1,046,643.60 = 539,477.60 : x
  2. Step 2: Convert to fraction form
    697,071.20/1,046,643.60 = 539,477.60/x
  3. Step 3: Cross multiply
    697,071.20x = 1,046,643.60 × 539,477.60
  4. Step 4: Simplify right side
    697,071.20x = 564,640,777,383.36
  5. Step 5: Solve for x
    x = 564,640,777,383.36/697,071.20
  6. Step 6: Final answer
    x = 810,018.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.