Home / 1,284,950.73-1,773,242.51-712,000.47

Finding the Fourth Proportional to 1,284,950.73, 1,773,242.51 and 712,000.47

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Solution

The fourth proportional to 1,284,950.73, 1,773,242.51 and 712,000.47 is: 982,566.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,950.73 : 1,773,242.51 = 712,000.47 : x
  2. Step 2: Convert to fraction form
    1,284,950.73/1,773,242.51 = 712,000.47/x
  3. Step 3: Cross multiply
    1,284,950.73x = 1,773,242.51 × 712,000.47
  4. Step 4: Simplify right side
    1,284,950.73x = 1,262,549,496,983.98
  5. Step 5: Solve for x
    x = 1,262,549,496,983.98/1,284,950.73
  6. Step 6: Final answer
    x = 982,566.47

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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.