Home / 1,678,907.86-2,316,825.25-914,945.02

Finding the Fourth Proportional to 1,678,907.86, 2,316,825.25 and 914,945.02

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Solution

The fourth proportional to 1,678,907.86, 2,316,825.25 and 914,945.02 is: 1,262,587.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,907.86 : 2,316,825.25 = 914,945.02 : x
  2. Step 2: Convert to fraction form
    1,678,907.86/2,316,825.25 = 914,945.02/x
  3. Step 3: Cross multiply
    1,678,907.86x = 2,316,825.25 × 914,945.02
  4. Step 4: Simplify right side
    1,678,907.86x = 2,119,767,724,697.76
  5. Step 5: Solve for x
    x = 2,119,767,724,697.76/1,678,907.86
  6. Step 6: Final answer
    x = 1,262,587.29

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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.