Home / 365,112.04-506,432.32-355,401.76

Finding the Fourth Proportional to 365,112.04, 506,432.32 and 355,401.76

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Solution

The fourth proportional to 365,112.04, 506,432.32 and 355,401.76 is: 492,963.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,112.04 : 506,432.32 = 355,401.76 : x
  2. Step 2: Convert to fraction form
    365,112.04/506,432.32 = 355,401.76/x
  3. Step 3: Cross multiply
    365,112.04x = 506,432.32 × 355,401.76
  4. Step 4: Simplify right side
    365,112.04x = 179,986,937,848.88
  5. Step 5: Solve for x
    x = 179,986,937,848.88/365,112.04
  6. Step 6: Final answer
    x = 492,963.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.