Home / 1,269,417.63-1,904,600.46-511,474.13

Finding the Fourth Proportional to 1,269,417.63, 1,904,600.46 and 511,474.13

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Solution

The fourth proportional to 1,269,417.63, 1,904,600.46 and 511,474.13 is: 767,402.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,417.63 : 1,904,600.46 = 511,474.13 : x
  2. Step 2: Convert to fraction form
    1,269,417.63/1,904,600.46 = 511,474.13/x
  3. Step 3: Cross multiply
    1,269,417.63x = 1,904,600.46 × 511,474.13
  4. Step 4: Simplify right side
    1,269,417.63x = 974,153,863,276.10
  5. Step 5: Solve for x
    x = 974,153,863,276.10/1,269,417.63
  6. Step 6: Final answer
    x = 767,402.19

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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.