Home / 917,664.66-1,266,385.90-504,210.12

Finding the Fourth Proportional to 917,664.66, 1,266,385.90 and 504,210.12

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Solution

The fourth proportional to 917,664.66, 1,266,385.90 and 504,210.12 is: 695,814.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,664.66 : 1,266,385.90 = 504,210.12 : x
  2. Step 2: Convert to fraction form
    917,664.66/1,266,385.90 = 504,210.12/x
  3. Step 3: Cross multiply
    917,664.66x = 1,266,385.90 × 504,210.12
  4. Step 4: Simplify right side
    917,664.66x = 638,524,586,605.31
  5. Step 5: Solve for x
    x = 638,524,586,605.31/917,664.66
  6. Step 6: Final answer
    x = 695,814.73

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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.