Home / 963,949.35-1,445,632.56-289,851.70

Finding the Fourth Proportional to 963,949.35, 1,445,632.56 and 289,851.70

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Solution

The fourth proportional to 963,949.35, 1,445,632.56 and 289,851.70 is: 434,689.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,949.35 : 1,445,632.56 = 289,851.70 : x
  2. Step 2: Convert to fraction form
    963,949.35/1,445,632.56 = 289,851.70/x
  3. Step 3: Cross multiply
    963,949.35x = 1,445,632.56 × 289,851.70
  4. Step 4: Simplify right side
    963,949.35x = 419,019,055,091.35
  5. Step 5: Solve for x
    x = 419,019,055,091.35/963,949.35
  6. Step 6: Final answer
    x = 434,689.91

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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.