Home / 850,023-1,173,004.20-468,039.96

Finding the Fourth Proportional to 850,023, 1,173,004.20 and 468,039.96

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Solution

The fourth proportional to 850,023, 1,173,004.20 and 468,039.96 is: 645,879.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,023 : 1,173,004.20 = 468,039.96 : x
  2. Step 2: Convert to fraction form
    850,023/1,173,004.20 = 468,039.96/x
  3. Step 3: Cross multiply
    850,023x = 1,173,004.20 × 468,039.96
  4. Step 4: Simplify right side
    850,023x = 549,012,838,847.83
  5. Step 5: Solve for x
    x = 549,012,838,847.83/850,023
  6. Step 6: Final answer
    x = 645,879.98

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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.