Home / 1,287,367.29-1,776,506.99-714,402.45

Finding the Fourth Proportional to 1,287,367.29, 1,776,506.99 and 714,402.45

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Solution

The fourth proportional to 1,287,367.29, 1,776,506.99 and 714,402.45 is: 985,842.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,367.29 : 1,776,506.99 = 714,402.45 : x
  2. Step 2: Convert to fraction form
    1,287,367.29/1,776,506.99 = 714,402.45/x
  3. Step 3: Cross multiply
    1,287,367.29x = 1,776,506.99 × 714,402.45
  4. Step 4: Simplify right side
    1,287,367.29x = 1,269,140,942,526.11
  5. Step 5: Solve for x
    x = 1,269,140,942,526.11/1,287,367.29
  6. Step 6: Final answer
    x = 985,842.15

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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.