Home / 1,091,809.09-1,506,681.30-608,394.61

Finding the Fourth Proportional to 1,091,809.09, 1,506,681.30 and 608,394.61

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Solution

The fourth proportional to 1,091,809.09, 1,506,681.30 and 608,394.61 is: 839,576.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,809.09 : 1,506,681.30 = 608,394.61 : x
  2. Step 2: Convert to fraction form
    1,091,809.09/1,506,681.30 = 608,394.61/x
  3. Step 3: Cross multiply
    1,091,809.09x = 1,506,681.30 × 608,394.61
  4. Step 4: Simplify right side
    1,091,809.09x = 916,656,781,907.79
  5. Step 5: Solve for x
    x = 916,656,781,907.79/1,091,809.09
  6. Step 6: Final answer
    x = 839,576.07

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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.