Home / 672,024.54-1,007,686.82-316,943.22

Finding the Fourth Proportional to 672,024.54, 1,007,686.82 and 316,943.22

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Solution

The fourth proportional to 672,024.54, 1,007,686.82 and 316,943.22 is: 475,249.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,024.54 : 1,007,686.82 = 316,943.22 : x
  2. Step 2: Convert to fraction form
    672,024.54/1,007,686.82 = 316,943.22/x
  3. Step 3: Cross multiply
    672,024.54x = 1,007,686.82 × 316,943.22
  4. Step 4: Simplify right side
    672,024.54x = 319,379,505,482.36
  5. Step 5: Solve for x
    x = 319,379,505,482.36/672,024.54
  6. Step 6: Final answer
    x = 475,249.77

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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.