Home / 924,508.86-1,386,487.53-392,021.34

Finding the Fourth Proportional to 924,508.86, 1,386,487.53 and 392,021.34

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Solution

The fourth proportional to 924,508.86, 1,386,487.53 and 392,021.34 is: 587,915.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,508.86 : 1,386,487.53 = 392,021.34 : x
  2. Step 2: Convert to fraction form
    924,508.86/1,386,487.53 = 392,021.34/x
  3. Step 3: Cross multiply
    924,508.86x = 1,386,487.53 × 392,021.34
  4. Step 4: Simplify right side
    924,508.86x = 543,532,699,403.89
  5. Step 5: Solve for x
    x = 543,532,699,403.89/924,508.86
  6. Step 6: Final answer
    x = 587,915.08

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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.