Home / 769,600.63-1,062,050.30-430,068.88

Finding the Fourth Proportional to 769,600.63, 1,062,050.30 and 430,068.88

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Solution

The fourth proportional to 769,600.63, 1,062,050.30 and 430,068.88 is: 593,495.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,600.63 : 1,062,050.30 = 430,068.88 : x
  2. Step 2: Convert to fraction form
    769,600.63/1,062,050.30 = 430,068.88/x
  3. Step 3: Cross multiply
    769,600.63x = 1,062,050.30 × 430,068.88
  4. Step 4: Simplify right side
    769,600.63x = 456,754,783,024.66
  5. Step 5: Solve for x
    x = 456,754,783,024.66/769,600.63
  6. Step 6: Final answer
    x = 593,495.85

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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.