Home / 979,645.80-1,468,302.30-411,025.80

Finding the Fourth Proportional to 979,645.80, 1,468,302.30 and 411,025.80

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Solution

The fourth proportional to 979,645.80, 1,468,302.30 and 411,025.80 is: 616,049.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,645.80 : 1,468,302.30 = 411,025.80 : x
  2. Step 2: Convert to fraction form
    979,645.80/1,468,302.30 = 411,025.80/x
  3. Step 3: Cross multiply
    979,645.80x = 1,468,302.30 × 411,025.80
  4. Step 4: Simplify right side
    979,645.80x = 603,510,127,499.34
  5. Step 5: Solve for x
    x = 603,510,127,499.34/979,645.80
  6. Step 6: Final answer
    x = 616,049.32

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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.