Home / 1,314,111.36-1,971,410.32-415,779.24

Finding the Fourth Proportional to 1,314,111.36, 1,971,410.32 and 415,779.24

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Solution

The fourth proportional to 1,314,111.36, 1,971,410.32 and 415,779.24 is: 623,745.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,111.36 : 1,971,410.32 = 415,779.24 : x
  2. Step 2: Convert to fraction form
    1,314,111.36/1,971,410.32 = 415,779.24/x
  3. Step 3: Cross multiply
    1,314,111.36x = 1,971,410.32 × 415,779.24
  4. Step 4: Simplify right side
    1,314,111.36x = 819,671,484,577.76
  5. Step 5: Solve for x
    x = 819,671,484,577.76/1,314,111.36
  6. Step 6: Final answer
    x = 623,745.83

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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.