Home / 1,521,124.46-2,099,176.51-832,784.70

Finding the Fourth Proportional to 1,521,124.46, 2,099,176.51 and 832,784.70

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Solution

The fourth proportional to 1,521,124.46, 2,099,176.51 and 832,784.70 is: 1,149,256.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,124.46 : 2,099,176.51 = 832,784.70 : x
  2. Step 2: Convert to fraction form
    1,521,124.46/2,099,176.51 = 832,784.70/x
  3. Step 3: Cross multiply
    1,521,124.46x = 2,099,176.51 × 832,784.70
  4. Step 4: Simplify right side
    1,521,124.46x = 1,748,162,080,127.40
  5. Step 5: Solve for x
    x = 1,748,162,080,127.40/1,521,124.46
  6. Step 6: Final answer
    x = 1,149,256.44

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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.