Home / 525,445.89-788,279.55-170,432.23

Finding the Fourth Proportional to 525,445.89, 788,279.55 and 170,432.23

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Solution

The fourth proportional to 525,445.89, 788,279.55 and 170,432.23 is: 255,684.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,445.89 : 788,279.55 = 170,432.23 : x
  2. Step 2: Convert to fraction form
    525,445.89/788,279.55 = 170,432.23/x
  3. Step 3: Cross multiply
    525,445.89x = 788,279.55 × 170,432.23
  4. Step 4: Simplify right side
    525,445.89x = 134,348,238,221.07
  5. Step 5: Solve for x
    x = 134,348,238,221.07/525,445.89
  6. Step 6: Final answer
    x = 255,684.25

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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.