Home / 950,368.12-1,425,764.94-319,264.72

Finding the Fourth Proportional to 950,368.12, 1,425,764.94 and 319,264.72

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Solution

The fourth proportional to 950,368.12, 1,425,764.94 and 319,264.72 is: 478,968.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,368.12 : 1,425,764.94 = 319,264.72 : x
  2. Step 2: Convert to fraction form
    950,368.12/1,425,764.94 = 319,264.72/x
  3. Step 3: Cross multiply
    950,368.12x = 1,425,764.94 × 319,264.72
  4. Step 4: Simplify right side
    950,368.12x = 455,196,444,354.92
  5. Step 5: Solve for x
    x = 455,196,444,354.92/950,368.12
  6. Step 6: Final answer
    x = 478,968.55

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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.