Home / 853,619.67-1,178,018.91-471,671.19

Finding the Fourth Proportional to 853,619.67, 1,178,018.91 and 471,671.19

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Solution

The fourth proportional to 853,619.67, 1,178,018.91 and 471,671.19 is: 650,919.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,619.67 : 1,178,018.91 = 471,671.19 : x
  2. Step 2: Convert to fraction form
    853,619.67/1,178,018.91 = 471,671.19/x
  3. Step 3: Cross multiply
    853,619.67x = 1,178,018.91 × 471,671.19
  4. Step 4: Simplify right side
    853,619.67x = 555,637,581,122.20
  5. Step 5: Solve for x
    x = 555,637,581,122.20/853,619.67
  6. Step 6: Final answer
    x = 650,919.37

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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.