Home / 697,721.60-1,046,582.40-254,662.40

Finding the Fourth Proportional to 697,721.60, 1,046,582.40 and 254,662.40

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Solution

The fourth proportional to 697,721.60, 1,046,582.40 and 254,662.40 is: 381,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,721.60 : 1,046,582.40 = 254,662.40 : x
  2. Step 2: Convert to fraction form
    697,721.60/1,046,582.40 = 254,662.40/x
  3. Step 3: Cross multiply
    697,721.60x = 1,046,582.40 × 254,662.40
  4. Step 4: Simplify right side
    697,721.60x = 266,525,185,781.76
  5. Step 5: Solve for x
    x = 266,525,185,781.76/697,721.60
  6. Step 6: Final answer
    x = 381,993.60

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Double scale
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Similar ratio
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1.5x scale

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.