Home / 850,154.08-1,173,212.88-468,179.68

Finding the Fourth Proportional to 850,154.08, 1,173,212.88 and 468,179.68

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Solution

The fourth proportional to 850,154.08, 1,173,212.88 and 468,179.68 is: 646,088.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,154.08 : 1,173,212.88 = 468,179.68 : x
  2. Step 2: Convert to fraction form
    850,154.08/1,173,212.88 = 468,179.68/x
  3. Step 3: Cross multiply
    850,154.08x = 1,173,212.88 × 468,179.68
  4. Step 4: Simplify right side
    850,154.08x = 549,274,430,730.28
  5. Step 5: Solve for x
    x = 549,274,430,730.28/850,154.08
  6. Step 6: Final answer
    x = 646,088.10

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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.