Home / 869,328.25-1,199,655.11-482,081.18

Finding the Fourth Proportional to 869,328.25, 1,199,655.11 and 482,081.18

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Solution

The fourth proportional to 869,328.25, 1,199,655.11 and 482,081.18 is: 665,262.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,328.25 : 1,199,655.11 = 482,081.18 : x
  2. Step 2: Convert to fraction form
    869,328.25/1,199,655.11 = 482,081.18/x
  3. Step 3: Cross multiply
    869,328.25x = 1,199,655.11 × 482,081.18
  4. Step 4: Simplify right side
    869,328.25x = 578,331,151,021.83
  5. Step 5: Solve for x
    x = 578,331,151,021.83/869,328.25
  6. Step 6: Final answer
    x = 665,262.12

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Double scale
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1.5x scale

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.