Home / 693,618.49-1,033,113.72-662,497.38

Finding the Fourth Proportional to 693,618.49, 1,033,113.72 and 662,497.38

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Solution

The fourth proportional to 693,618.49, 1,033,113.72 and 662,497.38 is: 986,760.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,618.49 : 1,033,113.72 = 662,497.38 : x
  2. Step 2: Convert to fraction form
    693,618.49/1,033,113.72 = 662,497.38/x
  3. Step 3: Cross multiply
    693,618.49x = 1,033,113.72 × 662,497.38
  4. Step 4: Simplify right side
    693,618.49x = 684,435,132,742.05
  5. Step 5: Solve for x
    x = 684,435,132,742.05/693,618.49
  6. Step 6: Final answer
    x = 986,760.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.