Home / 1,228,451.64-1,695,264.87-684,575.49

Finding the Fourth Proportional to 1,228,451.64, 1,695,264.87 and 684,575.49

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Solution

The fourth proportional to 1,228,451.64, 1,695,264.87 and 684,575.49 is: 944,715.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,451.64 : 1,695,264.87 = 684,575.49 : x
  2. Step 2: Convert to fraction form
    1,228,451.64/1,695,264.87 = 684,575.49/x
  3. Step 3: Cross multiply
    1,228,451.64x = 1,695,264.87 × 684,575.49
  4. Step 4: Simplify right side
    1,228,451.64x = 1,160,536,779,060.04
  5. Step 5: Solve for x
    x = 1,160,536,779,060.04/1,228,451.64
  6. Step 6: Final answer
    x = 944,715.07

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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.