Home / 1,520,801.92-2,098,640.64-841,697.92

Finding the Fourth Proportional to 1,520,801.92, 2,098,640.64 and 841,697.92

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Solution

The fourth proportional to 1,520,801.92, 2,098,640.64 and 841,697.92 is: 1,161,506.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,801.92 : 2,098,640.64 = 841,697.92 : x
  2. Step 2: Convert to fraction form
    1,520,801.92/2,098,640.64 = 841,697.92/x
  3. Step 3: Cross multiply
    1,520,801.92x = 2,098,640.64 × 841,697.92
  4. Step 4: Simplify right side
    1,520,801.92x = 1,766,421,461,515.47
  5. Step 5: Solve for x
    x = 1,766,421,461,515.47/1,520,801.92
  6. Step 6: Final answer
    x = 1,161,506.60

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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.