Home / 738,925.42-1,019,728.40-432,928.59

Finding the Fourth Proportional to 738,925.42, 1,019,728.40 and 432,928.59

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Solution

The fourth proportional to 738,925.42, 1,019,728.40 and 432,928.59 is: 597,448.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,925.42 : 1,019,728.40 = 432,928.59 : x
  2. Step 2: Convert to fraction form
    738,925.42/1,019,728.40 = 432,928.59/x
  3. Step 3: Cross multiply
    738,925.42x = 1,019,728.40 × 432,928.59
  4. Step 4: Simplify right side
    738,925.42x = 441,469,578,394.96
  5. Step 5: Solve for x
    x = 441,469,578,394.96/738,925.42
  6. Step 6: Final answer
    x = 597,448.09

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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.