Home / 919,216.08-1,268,103.60-537,071.04

Finding the Fourth Proportional to 919,216.08, 1,268,103.60 and 537,071.04

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Solution

The fourth proportional to 919,216.08, 1,268,103.60 and 537,071.04 is: 740,915.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,216.08 : 1,268,103.60 = 537,071.04 : x
  2. Step 2: Convert to fraction form
    919,216.08/1,268,103.60 = 537,071.04/x
  3. Step 3: Cross multiply
    919,216.08x = 1,268,103.60 × 537,071.04
  4. Step 4: Simplify right side
    919,216.08x = 681,061,719,279.74
  5. Step 5: Solve for x
    x = 681,061,719,279.74/919,216.08
  6. Step 6: Final answer
    x = 740,915.80

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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.