Home / 1,678,933.60-2,316,930.08-914,987.76

Finding the Fourth Proportional to 1,678,933.60, 2,316,930.08 and 914,987.76

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Solution

The fourth proportional to 1,678,933.60, 2,316,930.08 and 914,987.76 is: 1,262,684.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,933.60 : 2,316,930.08 = 914,987.76 : x
  2. Step 2: Convert to fraction form
    1,678,933.60/2,316,930.08 = 914,987.76/x
  3. Step 3: Cross multiply
    1,678,933.60x = 2,316,930.08 × 914,987.76
  4. Step 4: Simplify right side
    1,678,933.60x = 2,119,962,663,975.82
  5. Step 5: Solve for x
    x = 2,119,962,663,975.82/1,678,933.60
  6. Step 6: Final answer
    x = 1,262,684.04

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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.