Home / 637,016.24-879,071.28-346,618.01

Finding the Fourth Proportional to 637,016.24, 879,071.28 and 346,618.01

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Solution

The fourth proportional to 637,016.24, 879,071.28 and 346,618.01 is: 478,326.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,016.24 : 879,071.28 = 346,618.01 : x
  2. Step 2: Convert to fraction form
    637,016.24/879,071.28 = 346,618.01/x
  3. Step 3: Cross multiply
    637,016.24x = 879,071.28 × 346,618.01
  4. Step 4: Simplify right side
    637,016.24x = 304,701,933,326.40
  5. Step 5: Solve for x
    x = 304,701,933,326.40/637,016.24
  6. Step 6: Final answer
    x = 478,326.79

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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.