Home / 1,676,931.72-2,515,398.36-539,693.76

Finding the Fourth Proportional to 1,676,931.72, 2,515,398.36 and 539,693.76

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Solution

The fourth proportional to 1,676,931.72, 2,515,398.36 and 539,693.76 is: 809,540.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,931.72 : 2,515,398.36 = 539,693.76 : x
  2. Step 2: Convert to fraction form
    1,676,931.72/2,515,398.36 = 539,693.76/x
  3. Step 3: Cross multiply
    1,676,931.72x = 2,515,398.36 × 539,693.76
  4. Step 4: Simplify right side
    1,676,931.72x = 1,357,544,798,806.23
  5. Step 5: Solve for x
    x = 1,357,544,798,806.23/1,676,931.72
  6. Step 6: Final answer
    x = 809,540.89

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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.