Home / 746,987.10-1,030,843.17-407,461.02

Finding the Fourth Proportional to 746,987.10, 1,030,843.17 and 407,461.02

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Solution

The fourth proportional to 746,987.10, 1,030,843.17 and 407,461.02 is: 562,296.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,987.10 : 1,030,843.17 = 407,461.02 : x
  2. Step 2: Convert to fraction form
    746,987.10/1,030,843.17 = 407,461.02/x
  3. Step 3: Cross multiply
    746,987.10x = 1,030,843.17 × 407,461.02
  4. Step 4: Simplify right side
    746,987.10x = 420,028,409,508.23
  5. Step 5: Solve for x
    x = 420,028,409,508.23/746,987.10
  6. Step 6: Final answer
    x = 562,296.74

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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.