Home / 854,180.75-1,178,667.10-472,155.59

Finding the Fourth Proportional to 854,180.75, 1,178,667.10 and 472,155.59

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Solution

The fourth proportional to 854,180.75, 1,178,667.10 and 472,155.59 is: 651,518.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,180.75 : 1,178,667.10 = 472,155.59 : x
  2. Step 2: Convert to fraction form
    854,180.75/1,178,667.10 = 472,155.59/x
  3. Step 3: Cross multiply
    854,180.75x = 1,178,667.10 × 472,155.59
  4. Step 4: Simplify right side
    854,180.75x = 556,514,260,014.09
  5. Step 5: Solve for x
    x = 556,514,260,014.09/854,180.75
  6. Step 6: Final answer
    x = 651,518.15

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Half scale
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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.