Home / 712,000.95-982,559.66-389,708.24

Finding the Fourth Proportional to 712,000.95, 982,559.66 and 389,708.24

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Solution

The fourth proportional to 712,000.95, 982,559.66 and 389,708.24 is: 537,796.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,000.95 : 982,559.66 = 389,708.24 : x
  2. Step 2: Convert to fraction form
    712,000.95/982,559.66 = 389,708.24/x
  3. Step 3: Cross multiply
    712,000.95x = 982,559.66 × 389,708.24
  4. Step 4: Simplify right side
    712,000.95x = 382,911,588,932.26
  5. Step 5: Solve for x
    x = 382,911,588,932.26/712,000.95
  6. Step 6: Final answer
    x = 537,796.46

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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.