Home / 673,179.40-928,895.57-386,699.41

Finding the Fourth Proportional to 673,179.40, 928,895.57 and 386,699.41

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Solution

The fourth proportional to 673,179.40, 928,895.57 and 386,699.41 is: 533,592.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,179.40 : 928,895.57 = 386,699.41 : x
  2. Step 2: Convert to fraction form
    673,179.40/928,895.57 = 386,699.41/x
  3. Step 3: Cross multiply
    673,179.40x = 928,895.57 × 386,699.41
  4. Step 4: Simplify right side
    673,179.40x = 359,203,364,614.88
  5. Step 5: Solve for x
    x = 359,203,364,614.88/673,179.40
  6. Step 6: Final answer
    x = 533,592.33

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1.5x scale

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.