Home / 1,686,501.63-2,327,390.71-922,555.20

Finding the Fourth Proportional to 1,686,501.63, 2,327,390.71 and 922,555.20

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Solution

The fourth proportional to 1,686,501.63, 2,327,390.71 and 922,555.20 is: 1,273,136.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,501.63 : 2,327,390.71 = 922,555.20 : x
  2. Step 2: Convert to fraction form
    1,686,501.63/2,327,390.71 = 922,555.20/x
  3. Step 3: Cross multiply
    1,686,501.63x = 2,327,390.71 × 922,555.20
  4. Step 4: Simplify right side
    1,686,501.63x = 2,147,146,387,428.77
  5. Step 5: Solve for x
    x = 2,147,146,387,428.77/1,686,501.63
  6. Step 6: Final answer
    x = 1,273,136.26

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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.