Home / 1,314,812.16-1,972,513.80-416,307.60

Finding the Fourth Proportional to 1,314,812.16, 1,972,513.80 and 416,307.60

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Solution

The fourth proportional to 1,314,812.16, 1,972,513.80 and 416,307.60 is: 624,554.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,812.16 : 1,972,513.80 = 416,307.60 : x
  2. Step 2: Convert to fraction form
    1,314,812.16/1,972,513.80 = 416,307.60/x
  3. Step 3: Cross multiply
    1,314,812.16x = 1,972,513.80 × 416,307.60
  4. Step 4: Simplify right side
    1,314,812.16x = 821,172,486,044.88
  5. Step 5: Solve for x
    x = 821,172,486,044.88/1,314,812.16
  6. Step 6: Final answer
    x = 624,554.98

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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.