Home / 763,048.34-1,143,076.04-442,526.83

Finding the Fourth Proportional to 763,048.34, 1,143,076.04 and 442,526.83

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Solution

The fourth proportional to 763,048.34, 1,143,076.04 and 442,526.83 is: 662,922.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,048.34 : 1,143,076.04 = 442,526.83 : x
  2. Step 2: Convert to fraction form
    763,048.34/1,143,076.04 = 442,526.83/x
  3. Step 3: Cross multiply
    763,048.34x = 1,143,076.04 × 442,526.83
  4. Step 4: Simplify right side
    763,048.34x = 505,841,823,636.49
  5. Step 5: Solve for x
    x = 505,841,823,636.49/763,048.34
  6. Step 6: Final answer
    x = 662,922.38

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1.5x scale

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.