Home / 979,917.84-1,470,448.08-411,250.86

Finding the Fourth Proportional to 979,917.84, 1,470,448.08 and 411,250.86

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Solution

The fourth proportional to 979,917.84, 1,470,448.08 and 411,250.86 is: 617,116.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,917.84 : 1,470,448.08 = 411,250.86 : x
  2. Step 2: Convert to fraction form
    979,917.84/1,470,448.08 = 411,250.86/x
  3. Step 3: Cross multiply
    979,917.84x = 1,470,448.08 × 411,250.86
  4. Step 4: Simplify right side
    979,917.84x = 604,723,037,485.35
  5. Step 5: Solve for x
    x = 604,723,037,485.35/979,917.84
  6. Step 6: Final answer
    x = 617,116.06

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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.