Home / 1,678,886.36-2,316,795.72-914,923.52

Finding the Fourth Proportional to 1,678,886.36, 2,316,795.72 and 914,923.52

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Solution

The fourth proportional to 1,678,886.36, 2,316,795.72 and 914,923.52 is: 1,262,557.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,886.36 : 2,316,795.72 = 914,923.52 : x
  2. Step 2: Convert to fraction form
    1,678,886.36/2,316,795.72 = 914,923.52/x
  3. Step 3: Cross multiply
    1,678,886.36x = 2,316,795.72 × 914,923.52
  4. Step 4: Simplify right side
    1,678,886.36x = 2,119,690,895,263.33
  5. Step 5: Solve for x
    x = 2,119,690,895,263.33/1,678,886.36
  6. Step 6: Final answer
    x = 1,262,557.70

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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.