Home / 850,081.06-1,173,113.58-468,108.55

Finding the Fourth Proportional to 850,081.06, 1,173,113.58 and 468,108.55

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Solution

The fourth proportional to 850,081.06, 1,173,113.58 and 468,108.55 is: 645,990.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,081.06 : 1,173,113.58 = 468,108.55 : x
  2. Step 2: Convert to fraction form
    850,081.06/1,173,113.58 = 468,108.55/x
  3. Step 3: Cross multiply
    850,081.06x = 1,173,113.58 × 468,108.55
  4. Step 4: Simplify right side
    850,081.06x = 549,144,496,919.11
  5. Step 5: Solve for x
    x = 549,144,496,919.11/850,081.06
  6. Step 6: Final answer
    x = 645,990.74

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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.