Home / 916,011.30-1,374,025.83-347,239.56

Finding the Fourth Proportional to 916,011.30, 1,374,025.83 and 347,239.56

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Solution

The fourth proportional to 916,011.30, 1,374,025.83 and 347,239.56 is: 520,862.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,011.30 : 1,374,025.83 = 347,239.56 : x
  2. Step 2: Convert to fraction form
    916,011.30/1,374,025.83 = 347,239.56/x
  3. Step 3: Cross multiply
    916,011.30x = 1,374,025.83 × 347,239.56
  4. Step 4: Simplify right side
    916,011.30x = 477,116,124,637.84
  5. Step 5: Solve for x
    x = 477,116,124,637.84/916,011.30
  6. Step 6: Final answer
    x = 520,862.71

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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.