Home / 525,926.40-788,889.60-193,459.20

Finding the Fourth Proportional to 525,926.40, 788,889.60 and 193,459.20

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Solution

The fourth proportional to 525,926.40, 788,889.60 and 193,459.20 is: 290,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,926.40 : 788,889.60 = 193,459.20 : x
  2. Step 2: Convert to fraction form
    525,926.40/788,889.60 = 193,459.20/x
  3. Step 3: Cross multiply
    525,926.40x = 788,889.60 × 193,459.20
  4. Step 4: Simplify right side
    525,926.40x = 152,617,950,904.32
  5. Step 5: Solve for x
    x = 152,617,950,904.32/525,926.40
  6. Step 6: Final answer
    x = 290,188.80

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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.