Home / 736,138.50-1,015,455.33-463,738.74

Finding the Fourth Proportional to 736,138.50, 1,015,455.33 and 463,738.74

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Solution

The fourth proportional to 736,138.50, 1,015,455.33 and 463,738.74 is: 639,697.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,138.50 : 1,015,455.33 = 463,738.74 : x
  2. Step 2: Convert to fraction form
    736,138.50/1,015,455.33 = 463,738.74/x
  3. Step 3: Cross multiply
    736,138.50x = 1,015,455.33 × 463,738.74
  4. Step 4: Simplify right side
    736,138.50x = 470,905,975,260.48
  5. Step 5: Solve for x
    x = 470,905,975,260.48/736,138.50
  6. Step 6: Final answer
    x = 639,697.52

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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.