Home / 578,212.35-867,401.15-178,887.21

Finding the Fourth Proportional to 578,212.35, 867,401.15 and 178,887.21

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Solution

The fourth proportional to 578,212.35, 867,401.15 and 178,887.21 is: 268,356.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,212.35 : 867,401.15 = 178,887.21 : x
  2. Step 2: Convert to fraction form
    578,212.35/867,401.15 = 178,887.21/x
  3. Step 3: Cross multiply
    578,212.35x = 867,401.15 × 178,887.21
  4. Step 4: Simplify right side
    578,212.35x = 155,166,971,674.29
  5. Step 5: Solve for x
    x = 155,166,971,674.29/578,212.35
  6. Step 6: Final answer
    x = 268,356.38

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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.