Home / 864,187.89-1,192,401.25-496,594.03

Finding the Fourth Proportional to 864,187.89, 1,192,401.25 and 496,594.03

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Solution

The fourth proportional to 864,187.89, 1,192,401.25 and 496,594.03 is: 685,197.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,187.89 : 1,192,401.25 = 496,594.03 : x
  2. Step 2: Convert to fraction form
    864,187.89/1,192,401.25 = 496,594.03/x
  3. Step 3: Cross multiply
    864,187.89x = 1,192,401.25 × 496,594.03
  4. Step 4: Simplify right side
    864,187.89x = 592,139,337,892.05
  5. Step 5: Solve for x
    x = 592,139,337,892.05/864,187.89
  6. Step 6: Final answer
    x = 685,197.45

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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.