Home / 1,666,518.39-2,500,687.62-706,824.72

Finding the Fourth Proportional to 1,666,518.39, 2,500,687.62 and 706,824.72

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Solution

The fourth proportional to 1,666,518.39, 2,500,687.62 and 706,824.72 is: 1,060,623.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,518.39 : 2,500,687.62 = 706,824.72 : x
  2. Step 2: Convert to fraction form
    1,666,518.39/2,500,687.62 = 706,824.72/x
  3. Step 3: Cross multiply
    1,666,518.39x = 2,500,687.62 × 706,824.72
  4. Step 4: Simplify right side
    1,666,518.39x = 1,767,547,826,813.97
  5. Step 5: Solve for x
    x = 1,767,547,826,813.97/1,666,518.39
  6. Step 6: Final answer
    x = 1,060,623.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.