Home / 854,176.80-1,178,713.32-472,180.80

Finding the Fourth Proportional to 854,176.80, 1,178,713.32 and 472,180.80

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Solution

The fourth proportional to 854,176.80, 1,178,713.32 and 472,180.80 is: 651,581.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,176.80 : 1,178,713.32 = 472,180.80 : x
  2. Step 2: Convert to fraction form
    854,176.80/1,178,713.32 = 472,180.80/x
  3. Step 3: Cross multiply
    854,176.80x = 1,178,713.32 × 472,180.80
  4. Step 4: Simplify right side
    854,176.80x = 556,565,798,408.26
  5. Step 5: Solve for x
    x = 556,565,798,408.26/854,176.80
  6. Step 6: Final answer
    x = 651,581.50

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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.