Home / 1,426,278.47-1,968,175.06-781,652.93

Finding the Fourth Proportional to 1,426,278.47, 1,968,175.06 and 781,652.93

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Solution

The fourth proportional to 1,426,278.47, 1,968,175.06 and 781,652.93 is: 1,078,632.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,278.47 : 1,968,175.06 = 781,652.93 : x
  2. Step 2: Convert to fraction form
    1,426,278.47/1,968,175.06 = 781,652.93/x
  3. Step 3: Cross multiply
    1,426,278.47x = 1,968,175.06 × 781,652.93
  4. Step 4: Simplify right side
    1,426,278.47x = 1,538,429,790,606.92
  5. Step 5: Solve for x
    x = 1,538,429,790,606.92/1,426,278.47
  6. Step 6: Final answer
    x = 1,078,632.14

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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.