Home / 740,661.92-1,022,113.54-401,130.17

Finding the Fourth Proportional to 740,661.92, 1,022,113.54 and 401,130.17

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Solution

The fourth proportional to 740,661.92, 1,022,113.54 and 401,130.17 is: 553,559.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,661.92 : 1,022,113.54 = 401,130.17 : x
  2. Step 2: Convert to fraction form
    740,661.92/1,022,113.54 = 401,130.17/x
  3. Step 3: Cross multiply
    740,661.92x = 1,022,113.54 × 401,130.17
  4. Step 4: Simplify right side
    740,661.92x = 410,000,580,776.30
  5. Step 5: Solve for x
    x = 410,000,580,776.30/740,661.92
  6. Step 6: Final answer
    x = 553,559.68

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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.