Home / 1,185,945.96-1,636,575.12-662,660.76

Finding the Fourth Proportional to 1,185,945.96, 1,636,575.12 and 662,660.76

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Solution

The fourth proportional to 1,185,945.96, 1,636,575.12 and 662,660.76 is: 914,454.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,945.96 : 1,636,575.12 = 662,660.76 : x
  2. Step 2: Convert to fraction form
    1,185,945.96/1,636,575.12 = 662,660.76/x
  3. Step 3: Cross multiply
    1,185,945.96x = 1,636,575.12 × 662,660.76
  4. Step 4: Simplify right side
    1,185,945.96x = 1,084,494,112,816.29
  5. Step 5: Solve for x
    x = 1,084,494,112,816.29/1,185,945.96
  6. Step 6: Final answer
    x = 914,454.92

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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.