Home / 458,404.88-686,984.36-173,942.51

Finding the Fourth Proportional to 458,404.88, 686,984.36 and 173,942.51

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Solution

The fourth proportional to 458,404.88, 686,984.36 and 173,942.51 is: 260,677.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,404.88 : 686,984.36 = 173,942.51 : x
  2. Step 2: Convert to fraction form
    458,404.88/686,984.36 = 173,942.51/x
  3. Step 3: Cross multiply
    458,404.88x = 686,984.36 × 173,942.51
  4. Step 4: Simplify right side
    458,404.88x = 119,495,779,604.51
  5. Step 5: Solve for x
    x = 119,495,779,604.51/458,404.88
  6. Step 6: Final answer
    x = 260,677.38

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1.5x scale

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.