Home / 525,563.19-785,464.73-383,707.23

Finding the Fourth Proportional to 525,563.19, 785,464.73 and 383,707.23

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Solution

The fourth proportional to 525,563.19, 785,464.73 and 383,707.23 is: 573,458.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,563.19 : 785,464.73 = 383,707.23 : x
  2. Step 2: Convert to fraction form
    525,563.19/785,464.73 = 383,707.23/x
  3. Step 3: Cross multiply
    525,563.19x = 785,464.73 × 383,707.23
  4. Step 4: Simplify right side
    525,563.19x = 301,388,493,892.46
  5. Step 5: Solve for x
    x = 301,388,493,892.46/525,563.19
  6. Step 6: Final answer
    x = 573,458.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.