Home / 707,844.92-976,848.54-385,565.36

Finding the Fourth Proportional to 707,844.92, 976,848.54 and 385,565.36

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Solution

The fourth proportional to 707,844.92, 976,848.54 and 385,565.36 is: 532,092.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,844.92 : 976,848.54 = 385,565.36 : x
  2. Step 2: Convert to fraction form
    707,844.92/976,848.54 = 385,565.36/x
  3. Step 3: Cross multiply
    707,844.92x = 976,848.54 × 385,565.36
  4. Step 4: Simplify right side
    707,844.92x = 376,638,958,990.57
  5. Step 5: Solve for x
    x = 376,638,958,990.57/707,844.92
  6. Step 6: Final answer
    x = 532,092.48

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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.