Home / 707,109.08-975,832.50-401,198.36

Finding the Fourth Proportional to 707,109.08, 975,832.50 and 401,198.36

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Solution

The fourth proportional to 707,109.08, 975,832.50 and 401,198.36 is: 553,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,109.08 : 975,832.50 = 401,198.36 : x
  2. Step 2: Convert to fraction form
    707,109.08/975,832.50 = 401,198.36/x
  3. Step 3: Cross multiply
    707,109.08x = 975,832.50 × 401,198.36
  4. Step 4: Simplify right side
    707,109.08x = 391,502,398,634.70
  5. Step 5: Solve for x
    x = 391,502,398,634.70/707,109.08
  6. Step 6: Final answer
    x = 553,666.20

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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.