Home / 870,511.16-1,201,310.10-483,332.57

Finding the Fourth Proportional to 870,511.16, 1,201,310.10 and 483,332.57

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Solution

The fourth proportional to 870,511.16, 1,201,310.10 and 483,332.57 is: 667,001.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,511.16 : 1,201,310.10 = 483,332.57 : x
  2. Step 2: Convert to fraction form
    870,511.16/1,201,310.10 = 483,332.57/x
  3. Step 3: Cross multiply
    870,511.16x = 1,201,310.10 × 483,332.57
  4. Step 4: Simplify right side
    870,511.16x = 580,632,291,993.41
  5. Step 5: Solve for x
    x = 580,632,291,993.41/870,511.16
  6. Step 6: Final answer
    x = 667,001.55

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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.