Home / 1,417.76-2,126.73-444.14

Finding the Fourth Proportional to 1,417.76, 2,126.73 and 444.14

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Solution

The fourth proportional to 1,417.76, 2,126.73 and 444.14 is: 666.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417.76 : 2,126.73 = 444.14 : x
  2. Step 2: Convert to fraction form
    1,417.76/2,126.73 = 444.14/x
  3. Step 3: Cross multiply
    1,417.76x = 2,126.73 × 444.14
  4. Step 4: Simplify right side
    1,417.76x = 944,565.86
  5. Step 5: Solve for x
    x = 944,565.86/1,417.76
  6. Step 6: Final answer
    x = 666.24

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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.