Home / 739,923.27-1,021,065.75-464,428.53

Finding the Fourth Proportional to 739,923.27, 1,021,065.75 and 464,428.53

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Solution

The fourth proportional to 739,923.27, 1,021,065.75 and 464,428.53 is: 640,893.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,923.27 : 1,021,065.75 = 464,428.53 : x
  2. Step 2: Convert to fraction form
    739,923.27/1,021,065.75 = 464,428.53/x
  3. Step 3: Cross multiply
    739,923.27x = 1,021,065.75 × 464,428.53
  4. Step 4: Simplify right side
    739,923.27x = 474,212,065,305.85
  5. Step 5: Solve for x
    x = 474,212,065,305.85/739,923.27
  6. Step 6: Final answer
    x = 640,893.57

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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.