Home / 525,811.60-788,717.40-245,875.60

Finding the Fourth Proportional to 525,811.60, 788,717.40 and 245,875.60

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Solution

The fourth proportional to 525,811.60, 788,717.40 and 245,875.60 is: 368,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,811.60 : 788,717.40 = 245,875.60 : x
  2. Step 2: Convert to fraction form
    525,811.60/788,717.40 = 245,875.60/x
  3. Step 3: Cross multiply
    525,811.60x = 788,717.40 × 245,875.60
  4. Step 4: Simplify right side
    525,811.60x = 193,926,363,955.44
  5. Step 5: Solve for x
    x = 193,926,363,955.44/525,811.60
  6. Step 6: Final answer
    x = 368,813.40

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Similar ratio
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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.