Home / 539,032.20-808,548.30-528,534.60

Finding the Fourth Proportional to 539,032.20, 808,548.30 and 528,534.60

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Solution

The fourth proportional to 539,032.20, 808,548.30 and 528,534.60 is: 792,801.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,032.20 : 808,548.30 = 528,534.60 : x
  2. Step 2: Convert to fraction form
    539,032.20/808,548.30 = 528,534.60/x
  3. Step 3: Cross multiply
    539,032.20x = 808,548.30 × 528,534.60
  4. Step 4: Simplify right side
    539,032.20x = 427,345,752,321.18
  5. Step 5: Solve for x
    x = 427,345,752,321.18/539,032.20
  6. Step 6: Final answer
    x = 792,801.90

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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.