Home / 879,060.50-1,213,104.06-476,652.50

Finding the Fourth Proportional to 879,060.50, 1,213,104.06 and 476,652.50

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Solution

The fourth proportional to 879,060.50, 1,213,104.06 and 476,652.50 is: 657,780.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,060.50 : 1,213,104.06 = 476,652.50 : x
  2. Step 2: Convert to fraction form
    879,060.50/1,213,104.06 = 476,652.50/x
  3. Step 3: Cross multiply
    879,060.50x = 1,213,104.06 × 476,652.50
  4. Step 4: Simplify right side
    879,060.50x = 578,229,082,959.15
  5. Step 5: Solve for x
    x = 578,229,082,959.15/879,060.50
  6. Step 6: Final answer
    x = 657,780.76

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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.