Home / 791,485-1,092,318.42-433,858.12

Finding the Fourth Proportional to 791,485, 1,092,318.42 and 433,858.12

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Solution

The fourth proportional to 791,485, 1,092,318.42 and 433,858.12 is: 598,762.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,485 : 1,092,318.42 = 433,858.12 : x
  2. Step 2: Convert to fraction form
    791,485/1,092,318.42 = 433,858.12/x
  3. Step 3: Cross multiply
    791,485x = 1,092,318.42 × 433,858.12
  4. Step 4: Simplify right side
    791,485x = 473,911,216,142.57
  5. Step 5: Solve for x
    x = 473,911,216,142.57/791,485
  6. Step 6: Final answer
    x = 598,762.09

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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.