Home / 676,206.72-933,176.75-370,278.23

Finding the Fourth Proportional to 676,206.72, 933,176.75 and 370,278.23

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Solution

The fourth proportional to 676,206.72, 933,176.75 and 370,278.23 is: 510,990.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,206.72 : 933,176.75 = 370,278.23 : x
  2. Step 2: Convert to fraction form
    676,206.72/933,176.75 = 370,278.23/x
  3. Step 3: Cross multiply
    676,206.72x = 933,176.75 × 370,278.23
  4. Step 4: Simplify right side
    676,206.72x = 345,535,028,749.88
  5. Step 5: Solve for x
    x = 345,535,028,749.88/676,206.72
  6. Step 6: Final answer
    x = 510,990.23

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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.