Home / 1,758,417.80-2,637,626.70-1,011,921.80

Finding the Fourth Proportional to 1,758,417.80, 2,637,626.70 and 1,011,921.80

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Solution

The fourth proportional to 1,758,417.80, 2,637,626.70 and 1,011,921.80 is: 1,517,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758,417.80 : 2,637,626.70 = 1,011,921.80 : x
  2. Step 2: Convert to fraction form
    1,758,417.80/2,637,626.70 = 1,011,921.80/x
  3. Step 3: Cross multiply
    1,758,417.80x = 2,637,626.70 × 1,011,921.80
  4. Step 4: Simplify right side
    1,758,417.80x = 2,669,071,957,992.06
  5. Step 5: Solve for x
    x = 2,669,071,957,992.06/1,758,417.80
  6. Step 6: Final answer
    x = 1,517,882.70

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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.