Home / 832,111.14-1,148,312.78-450,138.22

Finding the Fourth Proportional to 832,111.14, 1,148,312.78 and 450,138.22

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Solution

The fourth proportional to 832,111.14, 1,148,312.78 and 450,138.22 is: 621,190.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,111.14 : 1,148,312.78 = 450,138.22 : x
  2. Step 2: Convert to fraction form
    832,111.14/1,148,312.78 = 450,138.22/x
  3. Step 3: Cross multiply
    832,111.14x = 1,148,312.78 × 450,138.22
  4. Step 4: Simplify right side
    832,111.14x = 516,899,470,792.45
  5. Step 5: Solve for x
    x = 516,899,470,792.45/832,111.14
  6. Step 6: Final answer
    x = 621,190.42

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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.