Home / 772,830.48-1,159,579.44-418,094.40

Finding the Fourth Proportional to 772,830.48, 1,159,579.44 and 418,094.40

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Solution

The fourth proportional to 772,830.48, 1,159,579.44 and 418,094.40 is: 627,322.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,830.48 : 1,159,579.44 = 418,094.40 : x
  2. Step 2: Convert to fraction form
    772,830.48/1,159,579.44 = 418,094.40/x
  3. Step 3: Cross multiply
    772,830.48x = 1,159,579.44 × 418,094.40
  4. Step 4: Simplify right side
    772,830.48x = 484,813,670,219.14
  5. Step 5: Solve for x
    x = 484,813,670,219.14/772,830.48
  6. Step 6: Final answer
    x = 627,322.14

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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.