Home / 1,300,875.06-1,951,312.54-857,539.38

Finding the Fourth Proportional to 1,300,875.06, 1,951,312.54 and 857,539.38

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Solution

The fourth proportional to 1,300,875.06, 1,951,312.54 and 857,539.38 is: 1,286,309.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,875.06 : 1,951,312.54 = 857,539.38 : x
  2. Step 2: Convert to fraction form
    1,300,875.06/1,951,312.54 = 857,539.38/x
  3. Step 3: Cross multiply
    1,300,875.06x = 1,951,312.54 × 857,539.38
  4. Step 4: Simplify right side
    1,300,875.06x = 1,673,327,345,737.83
  5. Step 5: Solve for x
    x = 1,673,327,345,737.83/1,300,875.06
  6. Step 6: Final answer
    x = 1,286,309.04

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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.