Home / 658,087.55-908,077.34-386,056.19

Finding the Fourth Proportional to 658,087.55, 908,077.34 and 386,056.19

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Solution

The fourth proportional to 658,087.55, 908,077.34 and 386,056.19 is: 532,708.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,087.55 : 908,077.34 = 386,056.19 : x
  2. Step 2: Convert to fraction form
    658,087.55/908,077.34 = 386,056.19/x
  3. Step 3: Cross multiply
    658,087.55x = 908,077.34 × 386,056.19
  4. Step 4: Simplify right side
    658,087.55x = 350,568,879,893.36
  5. Step 5: Solve for x
    x = 350,568,879,893.36/658,087.55
  6. Step 6: Final answer
    x = 532,708.57

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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.