Home / 1,241,106.86-1,712,750.70-689,874.32

Finding the Fourth Proportional to 1,241,106.86, 1,712,750.70 and 689,874.32

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Solution

The fourth proportional to 1,241,106.86, 1,712,750.70 and 689,874.32 is: 952,039.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,106.86 : 1,712,750.70 = 689,874.32 : x
  2. Step 2: Convert to fraction form
    1,241,106.86/1,712,750.70 = 689,874.32/x
  3. Step 3: Cross multiply
    1,241,106.86x = 1,712,750.70 × 689,874.32
  4. Step 4: Simplify right side
    1,241,106.86x = 1,181,582,724,492.02
  5. Step 5: Solve for x
    x = 1,181,582,724,492.02/1,241,106.86
  6. Step 6: Final answer
    x = 952,039.48

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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.