Home / 924,493.60-1,387,201.20-525,440.80

Finding the Fourth Proportional to 924,493.60, 1,387,201.20 and 525,440.80

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Solution

The fourth proportional to 924,493.60, 1,387,201.20 and 525,440.80 is: 788,423.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,493.60 : 1,387,201.20 = 525,440.80 : x
  2. Step 2: Convert to fraction form
    924,493.60/1,387,201.20 = 525,440.80/x
  3. Step 3: Cross multiply
    924,493.60x = 1,387,201.20 × 525,440.80
  4. Step 4: Simplify right side
    924,493.60x = 728,892,108,288.96
  5. Step 5: Solve for x
    x = 728,892,108,288.96/924,493.60
  6. Step 6: Final answer
    x = 788,423.10

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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.