Home / 626,569.58-864,666.89-340,089.73

Finding the Fourth Proportional to 626,569.58, 864,666.89 and 340,089.73

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Solution

The fourth proportional to 626,569.58, 864,666.89 and 340,089.73 is: 469,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,569.58 : 864,666.89 = 340,089.73 : x
  2. Step 2: Convert to fraction form
    626,569.58/864,666.89 = 340,089.73/x
  3. Step 3: Cross multiply
    626,569.58x = 864,666.89 × 340,089.73
  4. Step 4: Simplify right side
    626,569.58x = 294,064,329,160.04
  5. Step 5: Solve for x
    x = 294,064,329,160.04/626,569.58
  6. Step 6: Final answer
    x = 469,324.30

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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.