Home / 462,424.05-692,514.90-319,869.36

Finding the Fourth Proportional to 462,424.05, 692,514.90 and 319,869.36

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Solution

The fourth proportional to 462,424.05, 692,514.90 and 319,869.36 is: 479,028.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,424.05 : 692,514.90 = 319,869.36 : x
  2. Step 2: Convert to fraction form
    462,424.05/692,514.90 = 319,869.36/x
  3. Step 3: Cross multiply
    462,424.05x = 692,514.90 × 319,869.36
  4. Step 4: Simplify right side
    462,424.05x = 221,514,297,853.46
  5. Step 5: Solve for x
    x = 221,514,297,853.46/462,424.05
  6. Step 6: Final answer
    x = 479,028.50

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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.