Home / 877,674.10-1,315,452.75-403,709.62

Finding the Fourth Proportional to 877,674.10, 1,315,452.75 and 403,709.62

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Solution

The fourth proportional to 877,674.10, 1,315,452.75 and 403,709.62 is: 605,077.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,674.10 : 1,315,452.75 = 403,709.62 : x
  2. Step 2: Convert to fraction form
    877,674.10/1,315,452.75 = 403,709.62/x
  3. Step 3: Cross multiply
    877,674.10x = 1,315,452.75 × 403,709.62
  4. Step 4: Simplify right side
    877,674.10x = 531,060,929,830.46
  5. Step 5: Solve for x
    x = 531,060,929,830.46/877,674.10
  6. Step 6: Final answer
    x = 605,077.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.