Home / 712,566.54-983,357.73-406,636.83

Finding the Fourth Proportional to 712,566.54, 983,357.73 and 406,636.83

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Solution

The fourth proportional to 712,566.54, 983,357.73 and 406,636.83 is: 561,167.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,566.54 : 983,357.73 = 406,636.83 : x
  2. Step 2: Convert to fraction form
    712,566.54/983,357.73 = 406,636.83/x
  3. Step 3: Cross multiply
    712,566.54x = 983,357.73 × 406,636.83
  4. Step 4: Simplify right side
    712,566.54x = 399,869,470,083.20
  5. Step 5: Solve for x
    x = 399,869,470,083.20/712,566.54
  6. Step 6: Final answer
    x = 561,167.90

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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.