Home / 525,835.20-788,752.80-336,878.40

Finding the Fourth Proportional to 525,835.20, 788,752.80 and 336,878.40

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Solution

The fourth proportional to 525,835.20, 788,752.80 and 336,878.40 is: 505,317.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,835.20 : 788,752.80 = 336,878.40 : x
  2. Step 2: Convert to fraction form
    525,835.20/788,752.80 = 336,878.40/x
  3. Step 3: Cross multiply
    525,835.20x = 788,752.80 × 336,878.40
  4. Step 4: Simplify right side
    525,835.20x = 265,713,781,259.52
  5. Step 5: Solve for x
    x = 265,713,781,259.52/525,835.20
  6. Step 6: Final answer
    x = 505,317.60

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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.