Home / 746,388.54-1,030,031.10-406,856.52

Finding the Fourth Proportional to 746,388.54, 1,030,031.10 and 406,856.52

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Solution

The fourth proportional to 746,388.54, 1,030,031.10 and 406,856.52 is: 561,470.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,388.54 : 1,030,031.10 = 406,856.52 : x
  2. Step 2: Convert to fraction form
    746,388.54/1,030,031.10 = 406,856.52/x
  3. Step 3: Cross multiply
    746,388.54x = 1,030,031.10 × 406,856.52
  4. Step 4: Simplify right side
    746,388.54x = 419,074,868,837.77
  5. Step 5: Solve for x
    x = 419,074,868,837.77/746,388.54
  6. Step 6: Final answer
    x = 561,470.13

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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.