Home / 774,321.40-1,068,528.82-430,181.45

Finding the Fourth Proportional to 774,321.40, 1,068,528.82 and 430,181.45

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Solution

The fourth proportional to 774,321.40, 1,068,528.82 and 430,181.45 is: 593,631.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,321.40 : 1,068,528.82 = 430,181.45 : x
  2. Step 2: Convert to fraction form
    774,321.40/1,068,528.82 = 430,181.45/x
  3. Step 3: Cross multiply
    774,321.40x = 1,068,528.82 × 430,181.45
  4. Step 4: Simplify right side
    774,321.40x = 459,661,277,154.39
  5. Step 5: Solve for x
    x = 459,661,277,154.39/774,321.40
  6. Step 6: Final answer
    x = 593,631.12

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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.