Home / 832,112.14-1,148,314.16-450,139.22

Finding the Fourth Proportional to 832,112.14, 1,148,314.16 and 450,139.22

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Solution

The fourth proportional to 832,112.14, 1,148,314.16 and 450,139.22 is: 621,191.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,112.14 : 1,148,314.16 = 450,139.22 : x
  2. Step 2: Convert to fraction form
    832,112.14/1,148,314.16 = 450,139.22/x
  3. Step 3: Cross multiply
    832,112.14x = 1,148,314.16 × 450,139.22
  4. Step 4: Simplify right side
    832,112.14x = 516,901,240,297.36
  5. Step 5: Solve for x
    x = 516,901,240,297.36/832,112.14
  6. Step 6: Final answer
    x = 621,191.80

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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.