Home / 931,643.29-1,285,669.87-523,748.49

Finding the Fourth Proportional to 931,643.29, 1,285,669.87 and 523,748.49

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Solution

The fourth proportional to 931,643.29, 1,285,669.87 and 523,748.49 is: 722,774.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,643.29 : 1,285,669.87 = 523,748.49 : x
  2. Step 2: Convert to fraction form
    931,643.29/1,285,669.87 = 523,748.49/x
  3. Step 3: Cross multiply
    931,643.29x = 1,285,669.87 × 523,748.49
  4. Step 4: Simplify right side
    931,643.29x = 673,367,646,920.36
  5. Step 5: Solve for x
    x = 673,367,646,920.36/931,643.29
  6. Step 6: Final answer
    x = 722,774.11

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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.