Home / 525,681.45-788,522.09-126,322.22

Finding the Fourth Proportional to 525,681.45, 788,522.09 and 126,322.22

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Solution

The fourth proportional to 525,681.45, 788,522.09 and 126,322.22 is: 189,483.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,681.45 : 788,522.09 = 126,322.22 : x
  2. Step 2: Convert to fraction form
    525,681.45/788,522.09 = 126,322.22/x
  3. Step 3: Cross multiply
    525,681.45x = 788,522.09 × 126,322.22
  4. Step 4: Simplify right side
    525,681.45x = 99,607,856,353.62
  5. Step 5: Solve for x
    x = 99,607,856,353.62/525,681.45
  6. Step 6: Final answer
    x = 189,483.30

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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.