Home / 933,351.85-1,287,688.75-611,245.63

Finding the Fourth Proportional to 933,351.85, 1,287,688.75 and 611,245.63

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Solution

The fourth proportional to 933,351.85, 1,287,688.75 and 611,245.63 is: 843,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,351.85 : 1,287,688.75 = 611,245.63 : x
  2. Step 2: Convert to fraction form
    933,351.85/1,287,688.75 = 611,245.63/x
  3. Step 3: Cross multiply
    933,351.85x = 1,287,688.75 × 611,245.63
  4. Step 4: Simplify right side
    933,351.85x = 787,094,121,237.66
  5. Step 5: Solve for x
    x = 787,094,121,237.66/933,351.85
  6. Step 6: Final answer
    x = 843,298.40

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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.