Home / 712,358.96-983,046.12-406,427.44

Finding the Fourth Proportional to 712,358.96, 983,046.12 and 406,427.44

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Solution

The fourth proportional to 712,358.96, 983,046.12 and 406,427.44 is: 560,864.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,358.96 : 983,046.12 = 406,427.44 : x
  2. Step 2: Convert to fraction form
    712,358.96/983,046.12 = 406,427.44/x
  3. Step 3: Cross multiply
    712,358.96x = 983,046.12 × 406,427.44
  4. Step 4: Simplify right side
    712,358.96x = 399,536,917,953.53
  5. Step 5: Solve for x
    x = 399,536,917,953.53/712,358.96
  6. Step 6: Final answer
    x = 560,864.59

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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.