Home / 948,477.85-1,308,819.95-534,991.78

Finding the Fourth Proportional to 948,477.85, 1,308,819.95 and 534,991.78

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Solution

The fourth proportional to 948,477.85, 1,308,819.95 and 534,991.78 is: 738,243.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,477.85 : 1,308,819.95 = 534,991.78 : x
  2. Step 2: Convert to fraction form
    948,477.85/1,308,819.95 = 534,991.78/x
  3. Step 3: Cross multiply
    948,477.85x = 1,308,819.95 × 534,991.78
  4. Step 4: Simplify right side
    948,477.85x = 700,207,908,803.00
  5. Step 5: Solve for x
    x = 700,207,908,803.00/948,477.85
  6. Step 6: Final answer
    x = 738,243.82

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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.