Home / 1,393,434.85-2,090,155.54-382,570.64

Finding the Fourth Proportional to 1,393,434.85, 2,090,155.54 and 382,570.64

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Solution

The fourth proportional to 1,393,434.85, 2,090,155.54 and 382,570.64 is: 573,856.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,434.85 : 2,090,155.54 = 382,570.64 : x
  2. Step 2: Convert to fraction form
    1,393,434.85/2,090,155.54 = 382,570.64/x
  3. Step 3: Cross multiply
    1,393,434.85x = 2,090,155.54 × 382,570.64
  4. Step 4: Simplify right side
    1,393,434.85x = 799,632,151,542.67
  5. Step 5: Solve for x
    x = 799,632,151,542.67/1,393,434.85
  6. Step 6: Final answer
    x = 573,856.86

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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.