Home / 940,105.52-1,297,345.62-510,385.65

Finding the Fourth Proportional to 940,105.52, 1,297,345.62 and 510,385.65

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Solution

The fourth proportional to 940,105.52, 1,297,345.62 and 510,385.65 is: 704,332.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,105.52 : 1,297,345.62 = 510,385.65 : x
  2. Step 2: Convert to fraction form
    940,105.52/1,297,345.62 = 510,385.65/x
  3. Step 3: Cross multiply
    940,105.52x = 1,297,345.62 × 510,385.65
  4. Step 4: Simplify right side
    940,105.52x = 662,146,587,538.35
  5. Step 5: Solve for x
    x = 662,146,587,538.35/940,105.52
  6. Step 6: Final answer
    x = 704,332.20

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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.