Home / 899,668.08-1,241,543.16-517,687.20

Finding the Fourth Proportional to 899,668.08, 1,241,543.16 and 517,687.20

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Solution

The fourth proportional to 899,668.08, 1,241,543.16 and 517,687.20 is: 714,409.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,668.08 : 1,241,543.16 = 517,687.20 : x
  2. Step 2: Convert to fraction form
    899,668.08/1,241,543.16 = 517,687.20/x
  3. Step 3: Cross multiply
    899,668.08x = 1,241,543.16 × 517,687.20
  4. Step 4: Simplify right side
    899,668.08x = 642,731,002,179.55
  5. Step 5: Solve for x
    x = 642,731,002,179.55/899,668.08
  6. Step 6: Final answer
    x = 714,409.03

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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.