Home / 1,424,465-1,965,756.48-812,616.76

Finding the Fourth Proportional to 1,424,465, 1,965,756.48 and 812,616.76

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Solution

The fourth proportional to 1,424,465, 1,965,756.48 and 812,616.76 is: 1,121,408.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,465 : 1,965,756.48 = 812,616.76 : x
  2. Step 2: Convert to fraction form
    1,424,465/1,965,756.48 = 812,616.76/x
  3. Step 3: Cross multiply
    1,424,465x = 1,965,756.48 × 812,616.76
  4. Step 4: Simplify right side
    1,424,465x = 1,597,406,661,726.60
  5. Step 5: Solve for x
    x = 1,597,406,661,726.60/1,424,465
  6. Step 6: Final answer
    x = 1,121,408.15

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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.