Home / 747,095.94-1,031,008.77-407,563.92

Finding the Fourth Proportional to 747,095.94, 1,031,008.77 and 407,563.92

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Solution

The fourth proportional to 747,095.94, 1,031,008.77 and 407,563.92 is: 562,447.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,095.94 : 1,031,008.77 = 407,563.92 : x
  2. Step 2: Convert to fraction form
    747,095.94/1,031,008.77 = 407,563.92/x
  3. Step 3: Cross multiply
    747,095.94x = 1,031,008.77 × 407,563.92
  4. Step 4: Simplify right side
    747,095.94x = 420,201,975,855.58
  5. Step 5: Solve for x
    x = 420,201,975,855.58/747,095.94
  6. Step 6: Final answer
    x = 562,447.14

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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.