Home / 940,362.97-1,297,705.70-510,643.10

Finding the Fourth Proportional to 940,362.97, 1,297,705.70 and 510,643.10

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Solution

The fourth proportional to 940,362.97, 1,297,705.70 and 510,643.10 is: 704,690.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,362.97 : 1,297,705.70 = 510,643.10 : x
  2. Step 2: Convert to fraction form
    940,362.97/1,297,705.70 = 510,643.10/x
  3. Step 3: Cross multiply
    940,362.97x = 1,297,705.70 × 510,643.10
  4. Step 4: Simplify right side
    940,362.97x = 662,664,461,535.67
  5. Step 5: Solve for x
    x = 662,664,461,535.67/940,362.97
  6. Step 6: Final answer
    x = 704,690.09

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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.