Home / 746,345.95-1,029,143.48-504,208.10

Finding the Fourth Proportional to 746,345.95, 1,029,143.48 and 504,208.10

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Solution

The fourth proportional to 746,345.95, 1,029,143.48 and 504,208.10 is: 695,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,345.95 : 1,029,143.48 = 504,208.10 : x
  2. Step 2: Convert to fraction form
    746,345.95/1,029,143.48 = 504,208.10/x
  3. Step 3: Cross multiply
    746,345.95x = 1,029,143.48 × 504,208.10
  4. Step 4: Simplify right side
    746,345.95x = 518,902,471,011.43
  5. Step 5: Solve for x
    x = 518,902,471,011.43/746,345.95
  6. Step 6: Final answer
    x = 695,257.30

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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.