Home / 951,206.68-1,312,664.90-521,477.58

Finding the Fourth Proportional to 951,206.68, 1,312,664.90 and 521,477.58

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Solution

The fourth proportional to 951,206.68, 1,312,664.90 and 521,477.58 is: 719,638.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,206.68 : 1,312,664.90 = 521,477.58 : x
  2. Step 2: Convert to fraction form
    951,206.68/1,312,664.90 = 521,477.58/x
  3. Step 3: Cross multiply
    951,206.68x = 1,312,664.90 × 521,477.58
  4. Step 4: Simplify right side
    951,206.68x = 684,525,315,402.94
  5. Step 5: Solve for x
    x = 684,525,315,402.94/951,206.68
  6. Step 6: Final answer
    x = 719,638.89

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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.