Home / 830,907-1,246,360.46-641,644.02

Finding the Fourth Proportional to 830,907, 1,246,360.46 and 641,644.02

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Solution

The fourth proportional to 830,907, 1,246,360.46 and 641,644.02 is: 962,466.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,907 : 1,246,360.46 = 641,644.02 : x
  2. Step 2: Convert to fraction form
    830,907/1,246,360.46 = 641,644.02/x
  3. Step 3: Cross multiply
    830,907x = 1,246,360.46 × 641,644.02
  4. Step 4: Simplify right side
    830,907x = 799,719,732,715.23
  5. Step 5: Solve for x
    x = 799,719,732,715.23/830,907
  6. Step 6: Final answer
    x = 962,466.00

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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.