Home / 835,378.80-1,152,823.80-453,405.60

Finding the Fourth Proportional to 835,378.80, 1,152,823.80 and 453,405.60

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Solution

The fourth proportional to 835,378.80, 1,152,823.80 and 453,405.60 is: 625,700.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,378.80 : 1,152,823.80 = 453,405.60 : x
  2. Step 2: Convert to fraction form
    835,378.80/1,152,823.80 = 453,405.60/x
  3. Step 3: Cross multiply
    835,378.80x = 1,152,823.80 × 453,405.60
  4. Step 4: Simplify right side
    835,378.80x = 522,696,766,733.28
  5. Step 5: Solve for x
    x = 522,696,766,733.28/835,378.80
  6. Step 6: Final answer
    x = 625,700.30

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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.