Home / 839,056.82-1,157,887.96-457,075.40

Finding the Fourth Proportional to 839,056.82, 1,157,887.96 and 457,075.40

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Solution

The fourth proportional to 839,056.82, 1,157,887.96 and 457,075.40 is: 630,758.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,056.82 : 1,157,887.96 = 457,075.40 : x
  2. Step 2: Convert to fraction form
    839,056.82/1,157,887.96 = 457,075.40/x
  3. Step 3: Cross multiply
    839,056.82x = 1,157,887.96 × 457,075.40
  4. Step 4: Simplify right side
    839,056.82x = 529,242,102,472.18
  5. Step 5: Solve for x
    x = 529,242,102,472.18/839,056.82
  6. Step 6: Final answer
    x = 630,758.36

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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.