Home / 525,409.86-788,225.46-170,396.18

Finding the Fourth Proportional to 525,409.86, 788,225.46 and 170,396.18

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Solution

The fourth proportional to 525,409.86, 788,225.46 and 170,396.18 is: 255,630.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,409.86 : 788,225.46 = 170,396.18 : x
  2. Step 2: Convert to fraction form
    525,409.86/788,225.46 = 170,396.18/x
  3. Step 3: Cross multiply
    525,409.86x = 788,225.46 × 170,396.18
  4. Step 4: Simplify right side
    525,409.86x = 134,310,607,362.74
  5. Step 5: Solve for x
    x = 134,310,607,362.74/525,409.86
  6. Step 6: Final answer
    x = 255,630.16

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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.