Home / 991,985.72-1,369,066.93-584,125.52

Finding the Fourth Proportional to 991,985.72, 1,369,066.93 and 584,125.52

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Solution

The fourth proportional to 991,985.72, 1,369,066.93 and 584,125.52 is: 806,167.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,985.72 : 1,369,066.93 = 584,125.52 : x
  2. Step 2: Convert to fraction form
    991,985.72/1,369,066.93 = 584,125.52/x
  3. Step 3: Cross multiply
    991,985.72x = 1,369,066.93 × 584,125.52
  4. Step 4: Simplify right side
    991,985.72x = 799,706,924,095.41
  5. Step 5: Solve for x
    x = 799,706,924,095.41/991,985.72
  6. Step 6: Final answer
    x = 806,167.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.