Home / 919,194.70-1,377,151.80-444,834.40

Finding the Fourth Proportional to 919,194.70, 1,377,151.80 and 444,834.40

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Solution

The fourth proportional to 919,194.70, 1,377,151.80 and 444,834.40 is: 666,457.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,194.70 : 1,377,151.80 = 444,834.40 : x
  2. Step 2: Convert to fraction form
    919,194.70/1,377,151.80 = 444,834.40/x
  3. Step 3: Cross multiply
    919,194.70x = 1,377,151.80 × 444,834.40
  4. Step 4: Simplify right side
    919,194.70x = 612,604,494,661.92
  5. Step 5: Solve for x
    x = 612,604,494,661.92/919,194.70
  6. Step 6: Final answer
    x = 666,457.82

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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.