Home / 533,708.93-736,523.75-291,986.21

Finding the Fourth Proportional to 533,708.93, 736,523.75 and 291,986.21

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Solution

The fourth proportional to 533,708.93, 736,523.75 and 291,986.21 is: 402,943.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,708.93 : 736,523.75 = 291,986.21 : x
  2. Step 2: Convert to fraction form
    533,708.93/736,523.75 = 291,986.21/x
  3. Step 3: Cross multiply
    533,708.93x = 736,523.75 × 291,986.21
  4. Step 4: Simplify right side
    533,708.93x = 215,054,778,337.49
  5. Step 5: Solve for x
    x = 215,054,778,337.49/533,708.93
  6. Step 6: Final answer
    x = 402,943.94

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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.