Home / 867,625.12-1,197,314.32-499,967.18

Finding the Fourth Proportional to 867,625.12, 1,197,314.32 and 499,967.18

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Solution

The fourth proportional to 867,625.12, 1,197,314.32 and 499,967.18 is: 689,949.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,625.12 : 1,197,314.32 = 499,967.18 : x
  2. Step 2: Convert to fraction form
    867,625.12/1,197,314.32 = 499,967.18/x
  3. Step 3: Cross multiply
    867,625.12x = 1,197,314.32 × 499,967.18
  4. Step 4: Simplify right side
    867,625.12x = 598,617,864,144.02
  5. Step 5: Solve for x
    x = 598,617,864,144.02/867,625.12
  6. Step 6: Final answer
    x = 689,949.90

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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.