Home / 969,707.93-1,453,563.86-430,218.28

Finding the Fourth Proportional to 969,707.93, 1,453,563.86 and 430,218.28

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Solution

The fourth proportional to 969,707.93, 1,453,563.86 and 430,218.28 is: 644,884.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,707.93 : 1,453,563.86 = 430,218.28 : x
  2. Step 2: Convert to fraction form
    969,707.93/1,453,563.86 = 430,218.28/x
  3. Step 3: Cross multiply
    969,707.93x = 1,453,563.86 × 430,218.28
  4. Step 4: Simplify right side
    969,707.93x = 625,349,743,719.36
  5. Step 5: Solve for x
    x = 625,349,743,719.36/969,707.93
  6. Step 6: Final answer
    x = 644,884.63

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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.