Home / 611,194.02-843,405.55-339,240.52

Finding the Fourth Proportional to 611,194.02, 843,405.55 and 339,240.52

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Solution

The fourth proportional to 611,194.02, 843,405.55 and 339,240.52 is: 468,128.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,194.02 : 843,405.55 = 339,240.52 : x
  2. Step 2: Convert to fraction form
    611,194.02/843,405.55 = 339,240.52/x
  3. Step 3: Cross multiply
    611,194.02x = 843,405.55 × 339,240.52
  4. Step 4: Simplify right side
    611,194.02x = 286,117,337,559.04
  5. Step 5: Solve for x
    x = 286,117,337,559.04/611,194.02
  6. Step 6: Final answer
    x = 468,128.50

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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.