Home / 840,862.58-1,161,051.52-676,998.56

Finding the Fourth Proportional to 840,862.58, 1,161,051.52 and 676,998.56

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Solution

The fourth proportional to 840,862.58, 1,161,051.52 and 676,998.56 is: 934,790.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,862.58 : 1,161,051.52 = 676,998.56 : x
  2. Step 2: Convert to fraction form
    840,862.58/1,161,051.52 = 676,998.56/x
  3. Step 3: Cross multiply
    840,862.58x = 1,161,051.52 × 676,998.56
  4. Step 4: Simplify right side
    840,862.58x = 786,030,207,125.81
  5. Step 5: Solve for x
    x = 786,030,207,125.81/840,862.58
  6. Step 6: Final answer
    x = 934,790.33

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1.5x scale

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.