Home / 893,858.40-1,339,621.20-360,943.20

Finding the Fourth Proportional to 893,858.40, 1,339,621.20 and 360,943.20

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Solution

The fourth proportional to 893,858.40, 1,339,621.20 and 360,943.20 is: 540,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,858.40 : 1,339,621.20 = 360,943.20 : x
  2. Step 2: Convert to fraction form
    893,858.40/1,339,621.20 = 360,943.20/x
  3. Step 3: Cross multiply
    893,858.40x = 1,339,621.20 × 360,943.20
  4. Step 4: Simplify right side
    893,858.40x = 483,527,162,715.84
  5. Step 5: Solve for x
    x = 483,527,162,715.84/893,858.40
  6. Step 6: Final answer
    x = 540,943.80

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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.