Home / 712,525.44-983,275.20-406,593.60

Finding the Fourth Proportional to 712,525.44, 983,275.20 and 406,593.60

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Solution

The fourth proportional to 712,525.44, 983,275.20 and 406,593.60 is: 561,093.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,525.44 : 983,275.20 = 406,593.60 : x
  2. Step 2: Convert to fraction form
    712,525.44/983,275.20 = 406,593.60/x
  3. Step 3: Cross multiply
    712,525.44x = 983,275.20 × 406,593.60
  4. Step 4: Simplify right side
    712,525.44x = 399,793,403,358.72
  5. Step 5: Solve for x
    x = 399,793,403,358.72/712,525.44
  6. Step 6: Final answer
    x = 561,093.51

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Double scale
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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.