Home / 1,637,581.86-2,259,833.07-912,414.07

Finding the Fourth Proportional to 1,637,581.86, 2,259,833.07 and 912,414.07

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Solution

The fourth proportional to 1,637,581.86, 2,259,833.07 and 912,414.07 is: 1,259,114.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,581.86 : 2,259,833.07 = 912,414.07 : x
  2. Step 2: Convert to fraction form
    1,637,581.86/2,259,833.07 = 912,414.07/x
  3. Step 3: Cross multiply
    1,637,581.86x = 2,259,833.07 × 912,414.07
  4. Step 4: Simplify right side
    1,637,581.86x = 2,061,903,495,165.64
  5. Step 5: Solve for x
    x = 2,061,903,495,165.64/1,637,581.86
  6. Step 6: Final answer
    x = 1,259,114.76

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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.