Home / 1,218,166.66-1,681,049.63-674,290.78

Finding the Fourth Proportional to 1,218,166.66, 1,681,049.63 and 674,290.78

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Solution

The fourth proportional to 1,218,166.66, 1,681,049.63 and 674,290.78 is: 930,510.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,166.66 : 1,681,049.63 = 674,290.78 : x
  2. Step 2: Convert to fraction form
    1,218,166.66/1,681,049.63 = 674,290.78/x
  3. Step 3: Cross multiply
    1,218,166.66x = 1,681,049.63 × 674,290.78
  4. Step 4: Simplify right side
    1,218,166.66x = 1,133,516,263,714.51
  5. Step 5: Solve for x
    x = 1,133,516,263,714.51/1,218,166.66
  6. Step 6: Final answer
    x = 930,510.00

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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.