Home / 857,953.10-1,184,117.01-476,102.90

Finding the Fourth Proportional to 857,953.10, 1,184,117.01 and 476,102.90

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Solution

The fourth proportional to 857,953.10, 1,184,117.01 and 476,102.90 is: 657,100.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,953.10 : 1,184,117.01 = 476,102.90 : x
  2. Step 2: Convert to fraction form
    857,953.10/1,184,117.01 = 476,102.90/x
  3. Step 3: Cross multiply
    857,953.10x = 1,184,117.01 × 476,102.90
  4. Step 4: Simplify right side
    857,953.10x = 563,761,542,400.33
  5. Step 5: Solve for x
    x = 563,761,542,400.33/857,953.10
  6. Step 6: Final answer
    x = 657,100.65

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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.