Home / 1,101,830.60-1,520,334.24-618,416.12

Finding the Fourth Proportional to 1,101,830.60, 1,520,334.24 and 618,416.12

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Solution

The fourth proportional to 1,101,830.60, 1,520,334.24 and 618,416.12 is: 853,306.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,830.60 : 1,520,334.24 = 618,416.12 : x
  2. Step 2: Convert to fraction form
    1,101,830.60/1,520,334.24 = 618,416.12/x
  3. Step 3: Cross multiply
    1,101,830.60x = 1,520,334.24 × 618,416.12
  4. Step 4: Simplify right side
    1,101,830.60x = 940,199,201,803.95
  5. Step 5: Solve for x
    x = 940,199,201,803.95/1,101,830.60
  6. Step 6: Final answer
    x = 853,306.49

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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.