Home / 940,507.30-1,297,980.12-532,681.69

Finding the Fourth Proportional to 940,507.30, 1,297,980.12 and 532,681.69

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Solution

The fourth proportional to 940,507.30, 1,297,980.12 and 532,681.69 is: 735,146.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,507.30 : 1,297,980.12 = 532,681.69 : x
  2. Step 2: Convert to fraction form
    940,507.30/1,297,980.12 = 532,681.69/x
  3. Step 3: Cross multiply
    940,507.30x = 1,297,980.12 × 532,681.69
  4. Step 4: Simplify right side
    940,507.30x = 691,410,243,908.00
  5. Step 5: Solve for x
    x = 691,410,243,908.00/940,507.30
  6. Step 6: Final answer
    x = 735,146.07

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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.