Home / 525,914.68-788,871.98-126,555.50

Finding the Fourth Proportional to 525,914.68, 788,871.98 and 126,555.50

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Solution

The fourth proportional to 525,914.68, 788,871.98 and 126,555.50 is: 189,833.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,914.68 : 788,871.98 = 126,555.50 : x
  2. Step 2: Convert to fraction form
    525,914.68/788,871.98 = 126,555.50/x
  3. Step 3: Cross multiply
    525,914.68x = 788,871.98 × 126,555.50
  4. Step 4: Simplify right side
    525,914.68x = 99,836,087,864.89
  5. Step 5: Solve for x
    x = 99,836,087,864.89/525,914.68
  6. Step 6: Final answer
    x = 189,833.24

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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.