Home / 878,155.83-1,211,788.20-533,943.96

Finding the Fourth Proportional to 878,155.83, 1,211,788.20 and 533,943.96

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Solution

The fourth proportional to 878,155.83, 1,211,788.20 and 533,943.96 is: 736,802.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,155.83 : 1,211,788.20 = 533,943.96 : x
  2. Step 2: Convert to fraction form
    878,155.83/1,211,788.20 = 533,943.96/x
  3. Step 3: Cross multiply
    878,155.83x = 1,211,788.20 × 533,943.96
  4. Step 4: Simplify right side
    878,155.83x = 647,026,990,189.27
  5. Step 5: Solve for x
    x = 647,026,990,189.27/878,155.83
  6. Step 6: Final answer
    x = 736,802.02

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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.