Home / 450,430.83-621,584.96-246,480.93

Finding the Fourth Proportional to 450,430.83, 621,584.96 and 246,480.93

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Solution

The fourth proportional to 450,430.83, 621,584.96 and 246,480.93 is: 340,138.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,430.83 : 621,584.96 = 246,480.93 : x
  2. Step 2: Convert to fraction form
    450,430.83/621,584.96 = 246,480.93/x
  3. Step 3: Cross multiply
    450,430.83x = 621,584.96 × 246,480.93
  4. Step 4: Simplify right side
    450,430.83x = 153,208,837,782.41
  5. Step 5: Solve for x
    x = 153,208,837,782.41/450,430.83
  6. Step 6: Final answer
    x = 340,138.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.