Home / 1,147,476.04-1,721,447.34-399,580.36

Finding the Fourth Proportional to 1,147,476.04, 1,721,447.34 and 399,580.36

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Solution

The fourth proportional to 1,147,476.04, 1,721,447.34 and 399,580.36 is: 599,451.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,476.04 : 1,721,447.34 = 399,580.36 : x
  2. Step 2: Convert to fraction form
    1,147,476.04/1,721,447.34 = 399,580.36/x
  3. Step 3: Cross multiply
    1,147,476.04x = 1,721,447.34 × 399,580.36
  4. Step 4: Simplify right side
    1,147,476.04x = 687,856,547,838.24
  5. Step 5: Solve for x
    x = 687,856,547,838.24/1,147,476.04
  6. Step 6: Final answer
    x = 599,451.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.