Home / 999,695.19-1,379,576.32-540,809.63

Finding the Fourth Proportional to 999,695.19, 1,379,576.32 and 540,809.63

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Solution

The fourth proportional to 999,695.19, 1,379,576.32 and 540,809.63 is: 746,315.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,695.19 : 1,379,576.32 = 540,809.63 : x
  2. Step 2: Convert to fraction form
    999,695.19/1,379,576.32 = 540,809.63/x
  3. Step 3: Cross multiply
    999,695.19x = 1,379,576.32 × 540,809.63
  4. Step 4: Simplify right side
    999,695.19x = 746,088,159,175.96
  5. Step 5: Solve for x
    x = 746,088,159,175.96/999,695.19
  6. Step 6: Final answer
    x = 746,315.64

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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.