Home / 402,565.10-604,236.45-245,101.10

Finding the Fourth Proportional to 402,565.10, 604,236.45 and 245,101.10

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Solution

The fourth proportional to 402,565.10, 604,236.45 and 245,101.10 is: 367,888.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,565.10 : 604,236.45 = 245,101.10 : x
  2. Step 2: Convert to fraction form
    402,565.10/604,236.45 = 245,101.10/x
  3. Step 3: Cross multiply
    402,565.10x = 604,236.45 × 245,101.10
  4. Step 4: Simplify right side
    402,565.10x = 148,099,018,555.10
  5. Step 5: Solve for x
    x = 148,099,018,555.10/402,565.10
  6. Step 6: Final answer
    x = 367,888.37

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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.