Home / 1,006,817.30-1,389,440.13-577,178.90

Finding the Fourth Proportional to 1,006,817.30, 1,389,440.13 and 577,178.90

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Solution

The fourth proportional to 1,006,817.30, 1,389,440.13 and 577,178.90 is: 796,525.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,817.30 : 1,389,440.13 = 577,178.90 : x
  2. Step 2: Convert to fraction form
    1,006,817.30/1,389,440.13 = 577,178.90/x
  3. Step 3: Cross multiply
    1,006,817.30x = 1,389,440.13 × 577,178.90
  4. Step 4: Simplify right side
    1,006,817.30x = 801,955,525,849.26
  5. Step 5: Solve for x
    x = 801,955,525,849.26/1,006,817.30
  6. Step 6: Final answer
    x = 796,525.37

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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.