Home / 759,549.80-1,140,000.54-404,856.68

Finding the Fourth Proportional to 759,549.80, 1,140,000.54 and 404,856.68

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Solution

The fourth proportional to 759,549.80, 1,140,000.54 and 404,856.68 is: 607,645.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,549.80 : 1,140,000.54 = 404,856.68 : x
  2. Step 2: Convert to fraction form
    759,549.80/1,140,000.54 = 404,856.68/x
  3. Step 3: Cross multiply
    759,549.80x = 1,140,000.54 × 404,856.68
  4. Step 4: Simplify right side
    759,549.80x = 461,536,833,822.61
  5. Step 5: Solve for x
    x = 461,536,833,822.61/759,549.80
  6. Step 6: Final answer
    x = 607,645.26

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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.