Home / 1,314,389.40-1,970,490.60-556,812.60

Finding the Fourth Proportional to 1,314,389.40, 1,970,490.60 and 556,812.60

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Solution

The fourth proportional to 1,314,389.40, 1,970,490.60 and 556,812.60 is: 834,755.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,389.40 : 1,970,490.60 = 556,812.60 : x
  2. Step 2: Convert to fraction form
    1,314,389.40/1,970,490.60 = 556,812.60/x
  3. Step 3: Cross multiply
    1,314,389.40x = 1,970,490.60 × 556,812.60
  4. Step 4: Simplify right side
    1,314,389.40x = 1,097,193,994,261.56
  5. Step 5: Solve for x
    x = 1,097,193,994,261.56/1,314,389.40
  6. Step 6: Final answer
    x = 834,755.66

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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.