Home / 1,576,351.90-2,364,199.80-438,820.30

Finding the Fourth Proportional to 1,576,351.90, 2,364,199.80 and 438,820.30

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Solution

The fourth proportional to 1,576,351.90, 2,364,199.80 and 438,820.30 is: 658,139.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576,351.90 : 2,364,199.80 = 438,820.30 : x
  2. Step 2: Convert to fraction form
    1,576,351.90/2,364,199.80 = 438,820.30/x
  3. Step 3: Cross multiply
    1,576,351.90x = 2,364,199.80 × 438,820.30
  4. Step 4: Simplify right side
    1,576,351.90x = 1,037,458,865,495.94
  5. Step 5: Solve for x
    x = 1,037,458,865,495.94/1,576,351.90
  6. Step 6: Final answer
    x = 658,139.13

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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.