Home / 1,254,157.08-1,730,741.72-681,206.80

Finding the Fourth Proportional to 1,254,157.08, 1,730,741.72 and 681,206.80

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Solution

The fourth proportional to 1,254,157.08, 1,730,741.72 and 681,206.80 is: 940,068.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,157.08 : 1,730,741.72 = 681,206.80 : x
  2. Step 2: Convert to fraction form
    1,254,157.08/1,730,741.72 = 681,206.80/x
  3. Step 3: Cross multiply
    1,254,157.08x = 1,730,741.72 × 681,206.80
  4. Step 4: Simplify right side
    1,254,157.08x = 1,178,993,028,707.70
  5. Step 5: Solve for x
    x = 1,178,993,028,707.70/1,254,157.08
  6. Step 6: Final answer
    x = 940,068.07

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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.