Home / 931,530.20-1,285,494.16-587,296.40

Finding the Fourth Proportional to 931,530.20, 1,285,494.16 and 587,296.40

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Solution

The fourth proportional to 931,530.20, 1,285,494.16 and 587,296.40 is: 810,457.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,530.20 : 1,285,494.16 = 587,296.40 : x
  2. Step 2: Convert to fraction form
    931,530.20/1,285,494.16 = 587,296.40/x
  3. Step 3: Cross multiply
    931,530.20x = 1,285,494.16 × 587,296.40
  4. Step 4: Simplify right side
    931,530.20x = 754,966,092,389.02
  5. Step 5: Solve for x
    x = 754,966,092,389.02/931,530.20
  6. Step 6: Final answer
    x = 810,457.99

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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.