Home / 644,590.16-882,657.64-619,180.46

Finding the Fourth Proportional to 644,590.16, 882,657.64 and 619,180.46

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Solution

The fourth proportional to 644,590.16, 882,657.64 and 619,180.46 is: 847,863.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,590.16 : 882,657.64 = 619,180.46 : x
  2. Step 2: Convert to fraction form
    644,590.16/882,657.64 = 619,180.46/x
  3. Step 3: Cross multiply
    644,590.16x = 882,657.64 × 619,180.46
  4. Step 4: Simplify right side
    644,590.16x = 546,524,366,538.33
  5. Step 5: Solve for x
    x = 546,524,366,538.33/644,590.16
  6. Step 6: Final answer
    x = 847,863.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.