Home / 879,204.45-1,213,367.30-492,058.67

Finding the Fourth Proportional to 879,204.45, 1,213,367.30 and 492,058.67

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Solution

The fourth proportional to 879,204.45, 1,213,367.30 and 492,058.67 is: 679,077.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,204.45 : 1,213,367.30 = 492,058.67 : x
  2. Step 2: Convert to fraction form
    879,204.45/1,213,367.30 = 492,058.67/x
  3. Step 3: Cross multiply
    879,204.45x = 1,213,367.30 × 492,058.67
  4. Step 4: Simplify right side
    879,204.45x = 597,047,901,386.69
  5. Step 5: Solve for x
    x = 597,047,901,386.69/879,204.45
  6. Step 6: Final answer
    x = 679,077.43

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Double scale
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1.5x scale

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.