Home / 746,988.10-1,030,844.55-407,462.02

Finding the Fourth Proportional to 746,988.10, 1,030,844.55 and 407,462.02

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Solution

The fourth proportional to 746,988.10, 1,030,844.55 and 407,462.02 is: 562,298.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,988.10 : 1,030,844.55 = 407,462.02 : x
  2. Step 2: Convert to fraction form
    746,988.10/1,030,844.55 = 407,462.02/x
  3. Step 3: Cross multiply
    746,988.10x = 1,030,844.55 × 407,462.02
  4. Step 4: Simplify right side
    746,988.10x = 420,030,002,648.99
  5. Step 5: Solve for x
    x = 420,030,002,648.99/746,988.10
  6. Step 6: Final answer
    x = 562,298.12

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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.