Home / 1,678,633.03-2,316,516.42-914,686.51

Finding the Fourth Proportional to 1,678,633.03, 2,316,516.42 and 914,686.51

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Solution

The fourth proportional to 1,678,633.03, 2,316,516.42 and 914,686.51 is: 1,262,268.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,633.03 : 2,316,516.42 = 914,686.51 : x
  2. Step 2: Convert to fraction form
    1,678,633.03/2,316,516.42 = 914,686.51/x
  3. Step 3: Cross multiply
    1,678,633.03x = 2,316,516.42 × 914,686.51
  4. Step 4: Simplify right side
    1,678,633.03x = 2,118,886,319,567.49
  5. Step 5: Solve for x
    x = 2,118,886,319,567.49/1,678,633.03
  6. Step 6: Final answer
    x = 1,262,268.93

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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.