Home / 850,355.70-1,173,490.74-468,382.47

Finding the Fourth Proportional to 850,355.70, 1,173,490.74 and 468,382.47

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Solution

The fourth proportional to 850,355.70, 1,173,490.74 and 468,382.47 is: 646,367.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,355.70 : 1,173,490.74 = 468,382.47 : x
  2. Step 2: Convert to fraction form
    850,355.70/1,173,490.74 = 468,382.47/x
  3. Step 3: Cross multiply
    850,355.70x = 1,173,490.74 × 468,382.47
  4. Step 4: Simplify right side
    850,355.70x = 549,642,491,323.33
  5. Step 5: Solve for x
    x = 549,642,491,323.33/850,355.70
  6. Step 6: Final answer
    x = 646,367.74

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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.