Home / 1,128,256.08-1,690,792.76-623,044.50

Finding the Fourth Proportional to 1,128,256.08, 1,690,792.76 and 623,044.50

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Solution

The fourth proportional to 1,128,256.08, 1,690,792.76 and 623,044.50 is: 933,687.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,256.08 : 1,690,792.76 = 623,044.50 : x
  2. Step 2: Convert to fraction form
    1,128,256.08/1,690,792.76 = 623,044.50/x
  3. Step 3: Cross multiply
    1,128,256.08x = 1,690,792.76 × 623,044.50
  4. Step 4: Simplify right side
    1,128,256.08x = 1,053,439,129,757.82
  5. Step 5: Solve for x
    x = 1,053,439,129,757.82/1,128,256.08
  6. Step 6: Final answer
    x = 933,687.97

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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.