Home / 1,276,125.92-1,759,699.52-1,147,595.92

Finding the Fourth Proportional to 1,276,125.92, 1,759,699.52 and 1,147,595.92

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Solution

The fourth proportional to 1,276,125.92, 1,759,699.52 and 1,147,595.92 is: 1,582,464.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,125.92 : 1,759,699.52 = 1,147,595.92 : x
  2. Step 2: Convert to fraction form
    1,276,125.92/1,759,699.52 = 1,147,595.92/x
  3. Step 3: Cross multiply
    1,276,125.92x = 1,759,699.52 × 1,147,595.92
  4. Step 4: Simplify right side
    1,276,125.92x = 2,019,423,989,577.96
  5. Step 5: Solve for x
    x = 2,019,423,989,577.96/1,276,125.92
  6. Step 6: Final answer
    x = 1,582,464.52

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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.