Home / 525,877.60-788,816.40-384,181.60

Finding the Fourth Proportional to 525,877.60, 788,816.40 and 384,181.60

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Solution

The fourth proportional to 525,877.60, 788,816.40 and 384,181.60 is: 576,272.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,877.60 : 788,816.40 = 384,181.60 : x
  2. Step 2: Convert to fraction form
    525,877.60/788,816.40 = 384,181.60/x
  3. Step 3: Cross multiply
    525,877.60x = 788,816.40 × 384,181.60
  4. Step 4: Simplify right side
    525,877.60x = 303,048,746,658.24
  5. Step 5: Solve for x
    x = 303,048,746,658.24/525,877.60
  6. Step 6: Final answer
    x = 576,272.40

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Similar ratio
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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.