Home / 991,775.54-1,368,621.48-562,095.38

Finding the Fourth Proportional to 991,775.54, 1,368,621.48 and 562,095.38

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Solution

The fourth proportional to 991,775.54, 1,368,621.48 and 562,095.38 is: 775,675.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,775.54 : 1,368,621.48 = 562,095.38 : x
  2. Step 2: Convert to fraction form
    991,775.54/1,368,621.48 = 562,095.38/x
  3. Step 3: Cross multiply
    991,775.54x = 1,368,621.48 × 562,095.38
  4. Step 4: Simplify right side
    991,775.54x = 769,295,810,876.76
  5. Step 5: Solve for x
    x = 769,295,810,876.76/991,775.54
  6. Step 6: Final answer
    x = 775,675.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.