Home / 889,802.70-1,335,141.45-416,406.30

Finding the Fourth Proportional to 889,802.70, 1,335,141.45 and 416,406.30

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Solution

The fourth proportional to 889,802.70, 1,335,141.45 and 416,406.30 is: 624,814.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,802.70 : 1,335,141.45 = 416,406.30 : x
  2. Step 2: Convert to fraction form
    889,802.70/1,335,141.45 = 416,406.30/x
  3. Step 3: Cross multiply
    889,802.70x = 1,335,141.45 × 416,406.30
  4. Step 4: Simplify right side
    889,802.70x = 555,961,311,171.14
  5. Step 5: Solve for x
    x = 555,961,311,171.14/889,802.70
  6. Step 6: Final answer
    x = 624,814.14

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Double scale
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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.