Home / 712,823.49-983,723.54-406,949.67

Finding the Fourth Proportional to 712,823.49, 983,723.54 and 406,949.67

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Solution

The fourth proportional to 712,823.49, 983,723.54 and 406,949.67 is: 561,606.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,823.49 : 983,723.54 = 406,949.67 : x
  2. Step 2: Convert to fraction form
    712,823.49/983,723.54 = 406,949.67/x
  3. Step 3: Cross multiply
    712,823.49x = 983,723.54 × 406,949.67
  4. Step 4: Simplify right side
    712,823.49x = 400,325,967,939.48
  5. Step 5: Solve for x
    x = 400,325,967,939.48/712,823.49
  6. Step 6: Final answer
    x = 561,606.03

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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.