Home / 673,616.96-929,559.84-386,935.36

Finding the Fourth Proportional to 673,616.96, 929,559.84 and 386,935.36

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Solution

The fourth proportional to 673,616.96, 929,559.84 and 386,935.36 is: 533,952.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,616.96 : 929,559.84 = 386,935.36 : x
  2. Step 2: Convert to fraction form
    673,616.96/929,559.84 = 386,935.36/x
  3. Step 3: Cross multiply
    673,616.96x = 929,559.84 × 386,935.36
  4. Step 4: Simplify right side
    673,616.96x = 359,679,571,331.94
  5. Step 5: Solve for x
    x = 359,679,571,331.94/673,616.96
  6. Step 6: Final answer
    x = 533,952.67

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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.