Home / 1,008,108.04-1,391,390.58-578,678.44

Finding the Fourth Proportional to 1,008,108.04, 1,391,390.58 and 578,678.44

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Solution

The fourth proportional to 1,008,108.04, 1,391,390.58 and 578,678.44 is: 798,691.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,108.04 : 1,391,390.58 = 578,678.44 : x
  2. Step 2: Convert to fraction form
    1,008,108.04/1,391,390.58 = 578,678.44/x
  3. Step 3: Cross multiply
    1,008,108.04x = 1,391,390.58 × 578,678.44
  4. Step 4: Simplify right side
    1,008,108.04x = 805,167,730,265.10
  5. Step 5: Solve for x
    x = 805,167,730,265.10/1,008,108.04
  6. Step 6: Final answer
    x = 798,691.90

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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.