Home / 786,229.83-1,084,655.65-499,596.14

Finding the Fourth Proportional to 786,229.83, 1,084,655.65 and 499,596.14

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Solution

The fourth proportional to 786,229.83, 1,084,655.65 and 499,596.14 is: 689,225.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,229.83 : 1,084,655.65 = 499,596.14 : x
  2. Step 2: Convert to fraction form
    786,229.83/1,084,655.65 = 499,596.14/x
  3. Step 3: Cross multiply
    786,229.83x = 1,084,655.65 × 499,596.14
  4. Step 4: Simplify right side
    786,229.83x = 541,889,775,969.19
  5. Step 5: Solve for x
    x = 541,889,775,969.19/786,229.83
  6. Step 6: Final answer
    x = 689,225.66

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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.