Home / 959,331.84-1,439,060-319,608.32

Finding the Fourth Proportional to 959,331.84, 1,439,060 and 319,608.32

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Solution

The fourth proportional to 959,331.84, 1,439,060 and 319,608.32 is: 479,433.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,331.84 : 1,439,060 = 319,608.32 : x
  2. Step 2: Convert to fraction form
    959,331.84/1,439,060 = 319,608.32/x
  3. Step 3: Cross multiply
    959,331.84x = 1,439,060 × 319,608.32
  4. Step 4: Simplify right side
    959,331.84x = 459,935,548,979.20
  5. Step 5: Solve for x
    x = 459,935,548,979.20/959,331.84
  6. Step 6: Final answer
    x = 479,433.22

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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.