Home / 819,178.40-1,130,329.14-456,523.04

Finding the Fourth Proportional to 819,178.40, 1,130,329.14 and 456,523.04

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Solution

The fourth proportional to 819,178.40, 1,130,329.14 and 456,523.04 is: 629,925.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,178.40 : 1,130,329.14 = 456,523.04 : x
  2. Step 2: Convert to fraction form
    819,178.40/1,130,329.14 = 456,523.04/x
  3. Step 3: Cross multiply
    819,178.40x = 1,130,329.14 × 456,523.04
  4. Step 4: Simplify right side
    819,178.40x = 516,021,295,193.39
  5. Step 5: Solve for x
    x = 516,021,295,193.39/819,178.40
  6. Step 6: Final answer
    x = 629,925.42

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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.