Home / 1,218,623.06-1,681,563.98-674,622.61

Finding the Fourth Proportional to 1,218,623.06, 1,681,563.98 and 674,622.61

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Solution

The fourth proportional to 1,218,623.06, 1,681,563.98 and 674,622.61 is: 930,904.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,623.06 : 1,681,563.98 = 674,622.61 : x
  2. Step 2: Convert to fraction form
    1,218,623.06/1,681,563.98 = 674,622.61/x
  3. Step 3: Cross multiply
    1,218,623.06x = 1,681,563.98 × 674,622.61
  4. Step 4: Simplify right side
    1,218,623.06x = 1,134,421,078,552.23
  5. Step 5: Solve for x
    x = 1,134,421,078,552.23/1,218,623.06
  6. Step 6: Final answer
    x = 930,904.00

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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.