Home / 673,619.76-929,572.00-401,547.38

Finding the Fourth Proportional to 673,619.76, 929,572.00 and 401,547.38

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Solution

The fourth proportional to 673,619.76, 929,572.00 and 401,547.38 is: 554,121.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,619.76 : 929,572.00 = 401,547.38 : x
  2. Step 2: Convert to fraction form
    673,619.76/929,572.00 = 401,547.38/x
  3. Step 3: Cross multiply
    673,619.76x = 929,572.00 × 401,547.38
  4. Step 4: Simplify right side
    673,619.76x = 373,267,195,469.63
  5. Step 5: Solve for x
    x = 373,267,195,469.63/673,619.76
  6. Step 6: Final answer
    x = 554,121.51

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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.