Home / 578,045.40-867,051.90-262,501.80

Finding the Fourth Proportional to 578,045.40, 867,051.90 and 262,501.80

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Solution

The fourth proportional to 578,045.40, 867,051.90 and 262,501.80 is: 393,745.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,045.40 : 867,051.90 = 262,501.80 : x
  2. Step 2: Convert to fraction form
    578,045.40/867,051.90 = 262,501.80/x
  3. Step 3: Cross multiply
    578,045.40x = 867,051.90 × 262,501.80
  4. Step 4: Simplify right side
    578,045.40x = 227,602,684,443.42
  5. Step 5: Solve for x
    x = 227,602,684,443.42/578,045.40
  6. Step 6: Final answer
    x = 393,745.34

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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.