Home / 1,588,173.72-2,191,678.04-863,019.72

Finding the Fourth Proportional to 1,588,173.72, 2,191,678.04 and 863,019.72

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Solution

The fourth proportional to 1,588,173.72, 2,191,678.04 and 863,019.72 is: 1,190,966.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,173.72 : 2,191,678.04 = 863,019.72 : x
  2. Step 2: Convert to fraction form
    1,588,173.72/2,191,678.04 = 863,019.72/x
  3. Step 3: Cross multiply
    1,588,173.72x = 2,191,678.04 × 863,019.72
  4. Step 4: Simplify right side
    1,588,173.72x = 1,891,461,368,410.95
  5. Step 5: Solve for x
    x = 1,891,461,368,410.95/1,588,173.72
  6. Step 6: Final answer
    x = 1,190,966.29

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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.