Home / 850,074.38-1,173,102.66-468,100.24

Finding the Fourth Proportional to 850,074.38, 1,173,102.66 and 468,100.24

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Solution

The fourth proportional to 850,074.38, 1,173,102.66 and 468,100.24 is: 645,978.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,074.38 : 1,173,102.66 = 468,100.24 : x
  2. Step 2: Convert to fraction form
    850,074.38/1,173,102.66 = 468,100.24/x
  3. Step 3: Cross multiply
    850,074.38x = 1,173,102.66 × 468,100.24
  4. Step 4: Simplify right side
    850,074.38x = 549,129,636,690.64
  5. Step 5: Solve for x
    x = 549,129,636,690.64/850,074.38
  6. Step 6: Final answer
    x = 645,978.34

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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.