Home / 626,559.84-864,629.42-340,073.82

Finding the Fourth Proportional to 626,559.84, 864,629.42 and 340,073.82

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Solution

The fourth proportional to 626,559.84, 864,629.42 and 340,073.82 is: 469,289.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,559.84 : 864,629.42 = 340,073.82 : x
  2. Step 2: Convert to fraction form
    626,559.84/864,629.42 = 340,073.82/x
  3. Step 3: Cross multiply
    626,559.84x = 864,629.42 × 340,073.82
  4. Step 4: Simplify right side
    626,559.84x = 294,037,828,043.42
  5. Step 5: Solve for x
    x = 294,037,828,043.42/626,559.84
  6. Step 6: Final answer
    x = 469,289.30

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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.