Home / 1,000,975.07-1,381,346.88-542,090.39

Finding the Fourth Proportional to 1,000,975.07, 1,381,346.88 and 542,090.39

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Solution

The fourth proportional to 1,000,975.07, 1,381,346.88 and 542,090.39 is: 748,085.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,975.07 : 1,381,346.88 = 542,090.39 : x
  2. Step 2: Convert to fraction form
    1,000,975.07/1,381,346.88 = 542,090.39/x
  3. Step 3: Cross multiply
    1,000,975.07x = 1,381,346.88 × 542,090.39
  4. Step 4: Simplify right side
    1,000,975.07x = 748,814,861,997.75
  5. Step 5: Solve for x
    x = 748,814,861,997.75/1,000,975.07
  6. Step 6: Final answer
    x = 748,085.43

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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.