Home / 1,218,054.17-1,680,871.86-674,191.01

Finding the Fourth Proportional to 1,218,054.17, 1,680,871.86 and 674,191.01

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Solution

The fourth proportional to 1,218,054.17, 1,680,871.86 and 674,191.01 is: 930,359.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,054.17 : 1,680,871.86 = 674,191.01 : x
  2. Step 2: Convert to fraction form
    1,218,054.17/1,680,871.86 = 674,191.01/x
  3. Step 3: Cross multiply
    1,218,054.17x = 1,680,871.86 × 674,191.01
  4. Step 4: Simplify right side
    1,218,054.17x = 1,133,228,688,569.62
  5. Step 5: Solve for x
    x = 1,133,228,688,569.62/1,218,054.17
  6. Step 6: Final answer
    x = 930,359.85

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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.