Home / 772,820.48-1,159,564.44-418,084.40

Finding the Fourth Proportional to 772,820.48, 1,159,564.44 and 418,084.40

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Solution

The fourth proportional to 772,820.48, 1,159,564.44 and 418,084.40 is: 627,307.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,820.48 : 1,159,564.44 = 418,084.40 : x
  2. Step 2: Convert to fraction form
    772,820.48/1,159,564.44 = 418,084.40/x
  3. Step 3: Cross multiply
    772,820.48x = 1,159,564.44 × 418,084.40
  4. Step 4: Simplify right side
    772,820.48x = 484,795,803,158.74
  5. Step 5: Solve for x
    x = 484,795,803,158.74/772,820.48
  6. Step 6: Final answer
    x = 627,307.14

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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.