Home / 1,534,779.45-2,118,153.51-976,361.13

Finding the Fourth Proportional to 1,534,779.45, 2,118,153.51 and 976,361.13

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Solution

The fourth proportional to 1,534,779.45, 2,118,153.51 and 976,361.13 is: 1,347,478.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534,779.45 : 2,118,153.51 = 976,361.13 : x
  2. Step 2: Convert to fraction form
    1,534,779.45/2,118,153.51 = 976,361.13/x
  3. Step 3: Cross multiply
    1,534,779.45x = 2,118,153.51 × 976,361.13
  4. Step 4: Simplify right side
    1,534,779.45x = 2,068,082,754,537.07
  5. Step 5: Solve for x
    x = 2,068,082,754,537.07/1,534,779.45
  6. Step 6: Final answer
    x = 1,347,478.79

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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.