Home / 1,091,808.09-1,506,679.92-608,393.61

Finding the Fourth Proportional to 1,091,808.09, 1,506,679.92 and 608,393.61

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Solution

The fourth proportional to 1,091,808.09, 1,506,679.92 and 608,393.61 is: 839,574.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,808.09 : 1,506,679.92 = 608,393.61 : x
  2. Step 2: Convert to fraction form
    1,091,808.09/1,506,679.92 = 608,393.61/x
  3. Step 3: Cross multiply
    1,091,808.09x = 1,506,679.92 × 608,393.61
  4. Step 4: Simplify right side
    1,091,808.09x = 916,654,435,643.31
  5. Step 5: Solve for x
    x = 916,654,435,643.31/1,091,808.09
  6. Step 6: Final answer
    x = 839,574.69

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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.