Home / 830,906.55-1,147,596.87-558,501.51

Finding the Fourth Proportional to 830,906.55, 1,147,596.87 and 558,501.51

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Solution

The fourth proportional to 830,906.55, 1,147,596.87 and 558,501.51 is: 771,367.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,906.55 : 1,147,596.87 = 558,501.51 : x
  2. Step 2: Convert to fraction form
    830,906.55/1,147,596.87 = 558,501.51/x
  3. Step 3: Cross multiply
    830,906.55x = 1,147,596.87 × 558,501.51
  4. Step 4: Simplify right side
    830,906.55x = 640,934,584,766.27
  5. Step 5: Solve for x
    x = 640,934,584,766.27/830,906.55
  6. Step 6: Final answer
    x = 771,367.83

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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.