Home / 762,343.32-1,051,857.34-456,303.42

Finding the Fourth Proportional to 762,343.32, 1,051,857.34 and 456,303.42

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Solution

The fourth proportional to 762,343.32, 1,051,857.34 and 456,303.42 is: 629,593.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,343.32 : 1,051,857.34 = 456,303.42 : x
  2. Step 2: Convert to fraction form
    762,343.32/1,051,857.34 = 456,303.42/x
  3. Step 3: Cross multiply
    762,343.32x = 1,051,857.34 × 456,303.42
  4. Step 4: Simplify right side
    762,343.32x = 479,966,101,594.10
  5. Step 5: Solve for x
    x = 479,966,101,594.10/762,343.32
  6. Step 6: Final answer
    x = 629,593.11

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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.