Home / 578,047.40-867,054.90-262,503.80

Finding the Fourth Proportional to 578,047.40, 867,054.90 and 262,503.80

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Solution

The fourth proportional to 578,047.40, 867,054.90 and 262,503.80 is: 393,748.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,047.40 : 867,054.90 = 262,503.80 : x
  2. Step 2: Convert to fraction form
    578,047.40/867,054.90 = 262,503.80/x
  3. Step 3: Cross multiply
    578,047.40x = 867,054.90 × 262,503.80
  4. Step 4: Simplify right side
    578,047.40x = 227,605,206,058.62
  5. Step 5: Solve for x
    x = 227,605,206,058.62/578,047.40
  6. Step 6: Final answer
    x = 393,748.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.