Home / 1,681,457.32-2,320,467.12-917,552.80

Finding the Fourth Proportional to 1,681,457.32, 2,320,467.12 and 917,552.80

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Solution

The fourth proportional to 1,681,457.32, 2,320,467.12 and 917,552.80 is: 1,266,253.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,457.32 : 2,320,467.12 = 917,552.80 : x
  2. Step 2: Convert to fraction form
    1,681,457.32/2,320,467.12 = 917,552.80/x
  3. Step 3: Cross multiply
    1,681,457.32x = 2,320,467.12 × 917,552.80
  4. Step 4: Simplify right side
    1,681,457.32x = 2,129,151,103,263.94
  5. Step 5: Solve for x
    x = 2,129,151,103,263.94/1,681,457.32
  6. Step 6: Final answer
    x = 1,266,253.43

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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.