Home / 826,124.13-1,140,048.68-463,549.64

Finding the Fourth Proportional to 826,124.13, 1,140,048.68 and 463,549.64

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Solution

The fourth proportional to 826,124.13, 1,140,048.68 and 463,549.64 is: 639,697.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,124.13 : 1,140,048.68 = 463,549.64 : x
  2. Step 2: Convert to fraction form
    826,124.13/1,140,048.68 = 463,549.64/x
  3. Step 3: Cross multiply
    826,124.13x = 1,140,048.68 × 463,549.64
  4. Step 4: Simplify right side
    826,124.13x = 528,469,147,178.48
  5. Step 5: Solve for x
    x = 528,469,147,178.48/826,124.13
  6. Step 6: Final answer
    x = 639,697.02

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1.5x scale

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.