Home / 591,390.36-816,118.20-319,458.17

Finding the Fourth Proportional to 591,390.36, 816,118.20 and 319,458.17

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Solution

The fourth proportional to 591,390.36, 816,118.20 and 319,458.17 is: 440,852.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,390.36 : 816,118.20 = 319,458.17 : x
  2. Step 2: Convert to fraction form
    591,390.36/816,118.20 = 319,458.17/x
  3. Step 3: Cross multiply
    591,390.36x = 816,118.20 × 319,458.17
  4. Step 4: Simplify right side
    591,390.36x = 260,715,622,595.10
  5. Step 5: Solve for x
    x = 260,715,622,595.10/591,390.36
  6. Step 6: Final answer
    x = 440,852.00

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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.