Home / 818,813.61-1,130,027.76-451,356.10

Finding the Fourth Proportional to 818,813.61, 1,130,027.76 and 451,356.10

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Solution

The fourth proportional to 818,813.61, 1,130,027.76 and 451,356.10 is: 622,907.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,813.61 : 1,130,027.76 = 451,356.10 : x
  2. Step 2: Convert to fraction form
    818,813.61/1,130,027.76 = 451,356.10/x
  3. Step 3: Cross multiply
    818,813.61x = 1,130,027.76 × 451,356.10
  4. Step 4: Simplify right side
    818,813.61x = 510,044,919,820.27
  5. Step 5: Solve for x
    x = 510,044,919,820.27/818,813.61
  6. Step 6: Final answer
    x = 622,907.23

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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.