Home / 1,065,219.82-1,598,054.42-345,505.63

Finding the Fourth Proportional to 1,065,219.82, 1,598,054.42 and 345,505.63

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Solution

The fourth proportional to 1,065,219.82, 1,598,054.42 and 345,505.63 is: 518,331.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,219.82 : 1,598,054.42 = 345,505.63 : x
  2. Step 2: Convert to fraction form
    1,065,219.82/1,598,054.42 = 345,505.63/x
  3. Step 3: Cross multiply
    1,065,219.82x = 1,598,054.42 × 345,505.63
  4. Step 4: Simplify right side
    1,065,219.82x = 552,136,799,156.39
  5. Step 5: Solve for x
    x = 552,136,799,156.39/1,065,219.82
  6. Step 6: Final answer
    x = 518,331.32

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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.