Home / 879,058.50-1,213,101.30-476,650.50

Finding the Fourth Proportional to 879,058.50, 1,213,101.30 and 476,650.50

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Solution

The fourth proportional to 879,058.50, 1,213,101.30 and 476,650.50 is: 657,778.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,058.50 : 1,213,101.30 = 476,650.50 : x
  2. Step 2: Convert to fraction form
    879,058.50/1,213,101.30 = 476,650.50/x
  3. Step 3: Cross multiply
    879,058.50x = 1,213,101.30 × 476,650.50
  4. Step 4: Simplify right side
    879,058.50x = 578,225,341,195.65
  5. Step 5: Solve for x
    x = 578,225,341,195.65/879,058.50
  6. Step 6: Final answer
    x = 657,778.00

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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.