Home / 947,758.15-1,421,886.23-340,607.77

Finding the Fourth Proportional to 947,758.15, 1,421,886.23 and 340,607.77

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Solution

The fourth proportional to 947,758.15, 1,421,886.23 and 340,607.77 is: 511,001.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,758.15 : 1,421,886.23 = 340,607.77 : x
  2. Step 2: Convert to fraction form
    947,758.15/1,421,886.23 = 340,607.77/x
  3. Step 3: Cross multiply
    947,758.15x = 1,421,886.23 × 340,607.77
  4. Step 4: Simplify right side
    947,758.15x = 484,305,497,994.01
  5. Step 5: Solve for x
    x = 484,305,497,994.01/947,758.15
  6. Step 6: Final answer
    x = 511,001.14

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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.