Home / 1,109,112.35-1,530,645.91-625,501.04

Finding the Fourth Proportional to 1,109,112.35, 1,530,645.91 and 625,501.04

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Solution

The fourth proportional to 1,109,112.35, 1,530,645.91 and 625,501.04 is: 863,231.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,112.35 : 1,530,645.91 = 625,501.04 : x
  2. Step 2: Convert to fraction form
    1,109,112.35/1,530,645.91 = 625,501.04/x
  3. Step 3: Cross multiply
    1,109,112.35x = 1,530,645.91 × 625,501.04
  4. Step 4: Simplify right side
    1,109,112.35x = 957,420,602,878.21
  5. Step 5: Solve for x
    x = 957,420,602,878.21/1,109,112.35
  6. Step 6: Final answer
    x = 863,231.40

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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.