Home / 1,224,855.40-1,837,340.70-383,434.60

Finding the Fourth Proportional to 1,224,855.40, 1,837,340.70 and 383,434.60

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Solution

The fourth proportional to 1,224,855.40, 1,837,340.70 and 383,434.60 is: 575,169.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,855.40 : 1,837,340.70 = 383,434.60 : x
  2. Step 2: Convert to fraction form
    1,224,855.40/1,837,340.70 = 383,434.60/x
  3. Step 3: Cross multiply
    1,224,855.40x = 1,837,340.70 × 383,434.60
  4. Step 4: Simplify right side
    1,224,855.40x = 704,499,996,368.22
  5. Step 5: Solve for x
    x = 704,499,996,368.22/1,224,855.40
  6. Step 6: Final answer
    x = 575,169.93

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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.