Home / 525,400.32-788,211.20-170,386.66

Finding the Fourth Proportional to 525,400.32, 788,211.20 and 170,386.66

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Solution

The fourth proportional to 525,400.32, 788,211.20 and 170,386.66 is: 255,615.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,400.32 : 788,211.20 = 170,386.66 : x
  2. Step 2: Convert to fraction form
    525,400.32/788,211.20 = 170,386.66/x
  3. Step 3: Cross multiply
    525,400.32x = 788,211.20 × 170,386.66
  4. Step 4: Simplify right side
    525,400.32x = 134,300,677,370.67
  5. Step 5: Solve for x
    x = 134,300,677,370.67/525,400.32
  6. Step 6: Final answer
    x = 255,615.90

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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.