Home / 525,901.20-788,657.40-170,926.80

Finding the Fourth Proportional to 525,901.20, 788,657.40 and 170,926.80

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Solution

The fourth proportional to 525,901.20, 788,657.40 and 170,926.80 is: 256,327.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,901.20 : 788,657.40 = 170,926.80 : x
  2. Step 2: Convert to fraction form
    525,901.20/788,657.40 = 170,926.80/x
  3. Step 3: Cross multiply
    525,901.20x = 788,657.40 × 170,926.80
  4. Step 4: Simplify right side
    525,901.20x = 134,802,685,678.32
  5. Step 5: Solve for x
    x = 134,802,685,678.32/525,901.20
  6. Step 6: Final answer
    x = 256,327.02

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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.