Home / 545,024.80-751,354.73-383,378.16

Finding the Fourth Proportional to 545,024.80, 751,354.73 and 383,378.16

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Solution

The fourth proportional to 545,024.80, 751,354.73 and 383,378.16 is: 528,513.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,024.80 : 751,354.73 = 383,378.16 : x
  2. Step 2: Convert to fraction form
    545,024.80/751,354.73 = 383,378.16/x
  3. Step 3: Cross multiply
    545,024.80x = 751,354.73 × 383,378.16
  4. Step 4: Simplify right side
    545,024.80x = 288,052,998,389.56
  5. Step 5: Solve for x
    x = 288,052,998,389.56/545,024.80
  6. Step 6: Final answer
    x = 528,513.56

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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.