Home / 439,114.80-658,283.40-289,426.80

Finding the Fourth Proportional to 439,114.80, 658,283.40 and 289,426.80

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Solution

The fourth proportional to 439,114.80, 658,283.40 and 289,426.80 is: 433,883.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,114.80 : 658,283.40 = 289,426.80 : x
  2. Step 2: Convert to fraction form
    439,114.80/658,283.40 = 289,426.80/x
  3. Step 3: Cross multiply
    439,114.80x = 658,283.40 × 289,426.80
  4. Step 4: Simplify right side
    439,114.80x = 190,524,857,955.12
  5. Step 5: Solve for x
    x = 190,524,857,955.12/439,114.80
  6. Step 6: Final answer
    x = 433,883.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.