Home / 915,698.57-1,263,743.94-533,717.15

Finding the Fourth Proportional to 915,698.57, 1,263,743.94 and 533,717.15

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Solution

The fourth proportional to 915,698.57, 1,263,743.94 and 533,717.15 is: 736,576.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,698.57 : 1,263,743.94 = 533,717.15 : x
  2. Step 2: Convert to fraction form
    915,698.57/1,263,743.94 = 533,717.15/x
  3. Step 3: Cross multiply
    915,698.57x = 1,263,743.94 × 533,717.15
  4. Step 4: Simplify right side
    915,698.57x = 674,481,813,986.57
  5. Step 5: Solve for x
    x = 674,481,813,986.57/915,698.57
  6. Step 6: Final answer
    x = 736,576.24

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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.