Home / 784,003.25-1,081,525.70-512,230.23

Finding the Fourth Proportional to 784,003.25, 1,081,525.70 and 512,230.23

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Solution

The fourth proportional to 784,003.25, 1,081,525.70 and 512,230.23 is: 706,617.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,003.25 : 1,081,525.70 = 512,230.23 : x
  2. Step 2: Convert to fraction form
    784,003.25/1,081,525.70 = 512,230.23/x
  3. Step 3: Cross multiply
    784,003.25x = 1,081,525.70 × 512,230.23
  4. Step 4: Simplify right side
    784,003.25x = 553,990,159,342.49
  5. Step 5: Solve for x
    x = 553,990,159,342.49/784,003.25
  6. Step 6: Final answer
    x = 706,617.17

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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.