Home / 919,883.90-1,377,201.45-565,589.90

Finding the Fourth Proportional to 919,883.90, 1,377,201.45 and 565,589.90

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Solution

The fourth proportional to 919,883.90, 1,377,201.45 and 565,589.90 is: 846,771.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,883.90 : 1,377,201.45 = 565,589.90 : x
  2. Step 2: Convert to fraction form
    919,883.90/1,377,201.45 = 565,589.90/x
  3. Step 3: Cross multiply
    919,883.90x = 1,377,201.45 × 565,589.90
  4. Step 4: Simplify right side
    919,883.90x = 778,931,230,385.36
  5. Step 5: Solve for x
    x = 778,931,230,385.36/919,883.90
  6. Step 6: Final answer
    x = 846,771.24

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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.