Home / 525,632.60-788,276.10-193,165.40

Finding the Fourth Proportional to 525,632.60, 788,276.10 and 193,165.40

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Solution

The fourth proportional to 525,632.60, 788,276.10 and 193,165.40 is: 289,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,632.60 : 788,276.10 = 193,165.40 : x
  2. Step 2: Convert to fraction form
    525,632.60/788,276.10 = 193,165.40/x
  3. Step 3: Cross multiply
    525,632.60x = 788,276.10 × 193,165.40
  4. Step 4: Simplify right side
    525,632.60x = 152,267,668,166.94
  5. Step 5: Solve for x
    x = 152,267,668,166.94/525,632.60
  6. Step 6: Final answer
    x = 289,684.60

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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.