Home / 835,351.90-1,152,786.73-453,378.68

Finding the Fourth Proportional to 835,351.90, 1,152,786.73 and 453,378.68

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Solution

The fourth proportional to 835,351.90, 1,152,786.73 and 453,378.68 is: 625,663.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,351.90 : 1,152,786.73 = 453,378.68 : x
  2. Step 2: Convert to fraction form
    835,351.90/1,152,786.73 = 453,378.68/x
  3. Step 3: Cross multiply
    835,351.90x = 1,152,786.73 × 453,378.68
  4. Step 4: Simplify right side
    835,351.90x = 522,648,925,968.92
  5. Step 5: Solve for x
    x = 522,648,925,968.92/835,351.90
  6. Step 6: Final answer
    x = 625,663.18

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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.