Home / 808,303.56-1,114,995.90-505,972.68

Finding the Fourth Proportional to 808,303.56, 1,114,995.90 and 505,972.68

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Solution

The fourth proportional to 808,303.56, 1,114,995.90 and 505,972.68 is: 697,952.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,303.56 : 1,114,995.90 = 505,972.68 : x
  2. Step 2: Convert to fraction form
    808,303.56/1,114,995.90 = 505,972.68/x
  3. Step 3: Cross multiply
    808,303.56x = 1,114,995.90 × 505,972.68
  4. Step 4: Simplify right side
    808,303.56x = 564,157,463,712.01
  5. Step 5: Solve for x
    x = 564,157,463,712.01/808,303.56
  6. Step 6: Final answer
    x = 697,952.47

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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.