Home / 626,741.68-864,903.52-340,261.76

Finding the Fourth Proportional to 626,741.68, 864,903.52 and 340,261.76

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Solution

The fourth proportional to 626,741.68, 864,903.52 and 340,261.76 is: 469,561.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,741.68 : 864,903.52 = 340,261.76 : x
  2. Step 2: Convert to fraction form
    626,741.68/864,903.52 = 340,261.76/x
  3. Step 3: Cross multiply
    626,741.68x = 864,903.52 × 340,261.76
  4. Step 4: Simplify right side
    626,741.68x = 294,293,593,945.40
  5. Step 5: Solve for x
    x = 294,293,593,945.40/626,741.68
  6. Step 6: Final answer
    x = 469,561.23

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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.