Home / 1,145,853-1,581,422.94-693,147.24

Finding the Fourth Proportional to 1,145,853, 1,581,422.94 and 693,147.24

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Solution

The fourth proportional to 1,145,853, 1,581,422.94 and 693,147.24 is: 956,631.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,853 : 1,581,422.94 = 693,147.24 : x
  2. Step 2: Convert to fraction form
    1,145,853/1,581,422.94 = 693,147.24/x
  3. Step 3: Cross multiply
    1,145,853x = 1,581,422.94 × 693,147.24
  4. Step 4: Simplify right side
    1,145,853x = 1,096,158,946,133.69
  5. Step 5: Solve for x
    x = 1,096,158,946,133.69/1,145,853
  6. Step 6: Final answer
    x = 956,631.39

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Double scale
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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.