Home / 1,218,020.95-1,680,721.35-701,944.08

Finding the Fourth Proportional to 1,218,020.95, 1,680,721.35 and 701,944.08

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Solution

The fourth proportional to 1,218,020.95, 1,680,721.35 and 701,944.08 is: 968,597.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,020.95 : 1,680,721.35 = 701,944.08 : x
  2. Step 2: Convert to fraction form
    1,218,020.95/1,680,721.35 = 701,944.08/x
  3. Step 3: Cross multiply
    1,218,020.95x = 1,680,721.35 × 701,944.08
  4. Step 4: Simplify right side
    1,218,020.95x = 1,179,772,392,827.11
  5. Step 5: Solve for x
    x = 1,179,772,392,827.11/1,218,020.95
  6. Step 6: Final answer
    x = 968,597.79

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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.