Home / 712,063.95-982,623.78-406,239.33

Finding the Fourth Proportional to 712,063.95, 982,623.78 and 406,239.33

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Solution

The fourth proportional to 712,063.95, 982,623.78 and 406,239.33 is: 560,596.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,063.95 : 982,623.78 = 406,239.33 : x
  2. Step 2: Convert to fraction form
    712,063.95/982,623.78 = 406,239.33/x
  3. Step 3: Cross multiply
    712,063.95x = 982,623.78 × 406,239.33
  4. Step 4: Simplify right side
    712,063.95x = 399,180,426,029.27
  5. Step 5: Solve for x
    x = 399,180,426,029.27/712,063.95
  6. Step 6: Final answer
    x = 560,596.31

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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.