Home / 786,586.85-1,084,873.17-538,375.92

Finding the Fourth Proportional to 786,586.85, 1,084,873.17 and 538,375.92

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Solution

The fourth proportional to 786,586.85, 1,084,873.17 and 538,375.92 is: 742,536.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,586.85 : 1,084,873.17 = 538,375.92 : x
  2. Step 2: Convert to fraction form
    786,586.85/1,084,873.17 = 538,375.92/x
  3. Step 3: Cross multiply
    786,586.85x = 1,084,873.17 × 538,375.92
  4. Step 4: Simplify right side
    786,586.85x = 584,069,590,982.07
  5. Step 5: Solve for x
    x = 584,069,590,982.07/786,586.85
  6. Step 6: Final answer
    x = 742,536.69

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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.