Home / 839,845.67-1,158,986.98-477,270.23

Finding the Fourth Proportional to 839,845.67, 1,158,986.98 and 477,270.23

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Solution

The fourth proportional to 839,845.67, 1,158,986.98 and 477,270.23 is: 658,632.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,845.67 : 1,158,986.98 = 477,270.23 : x
  2. Step 2: Convert to fraction form
    839,845.67/1,158,986.98 = 477,270.23/x
  3. Step 3: Cross multiply
    839,845.67x = 1,158,986.98 × 477,270.23
  4. Step 4: Simplify right side
    839,845.67x = 553,149,977,313.26
  5. Step 5: Solve for x
    x = 553,149,977,313.26/839,845.67
  6. Step 6: Final answer
    x = 658,632.89

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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.