Home / 1,689,269.07-2,331,189.27-914,899.47

Finding the Fourth Proportional to 1,689,269.07, 2,331,189.27 and 914,899.47

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Solution

The fourth proportional to 1,689,269.07, 2,331,189.27 and 914,899.47 is: 1,262,560.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,269.07 : 2,331,189.27 = 914,899.47 : x
  2. Step 2: Convert to fraction form
    1,689,269.07/2,331,189.27 = 914,899.47/x
  3. Step 3: Cross multiply
    1,689,269.07x = 2,331,189.27 × 914,899.47
  4. Step 4: Simplify right side
    1,689,269.07x = 2,132,803,827,592.69
  5. Step 5: Solve for x
    x = 2,132,803,827,592.69/1,689,269.07
  6. Step 6: Final answer
    x = 1,262,560.16

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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.