Home / 1,641,137.51-2,264,883.87-916,126.76

Finding the Fourth Proportional to 1,641,137.51, 2,264,883.87 and 916,126.76

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Solution

The fourth proportional to 1,641,137.51, 2,264,883.87 and 916,126.76 is: 1,264,318.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,137.51 : 2,264,883.87 = 916,126.76 : x
  2. Step 2: Convert to fraction form
    1,641,137.51/2,264,883.87 = 916,126.76/x
  3. Step 3: Cross multiply
    1,641,137.51x = 2,264,883.87 × 916,126.76
  4. Step 4: Simplify right side
    1,641,137.51x = 2,074,920,710,274.94
  5. Step 5: Solve for x
    x = 2,074,920,710,274.94/1,641,137.51
  6. Step 6: Final answer
    x = 1,264,318.62

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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.