Home / 940,707.48-1,298,175.30-510,987.92

Finding the Fourth Proportional to 940,707.48, 1,298,175.30 and 510,987.92

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Solution

The fourth proportional to 940,707.48, 1,298,175.30 and 510,987.92 is: 705,162.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,707.48 : 1,298,175.30 = 510,987.92 : x
  2. Step 2: Convert to fraction form
    940,707.48/1,298,175.30 = 510,987.92/x
  3. Step 3: Cross multiply
    940,707.48x = 1,298,175.30 × 510,987.92
  4. Step 4: Simplify right side
    940,707.48x = 663,351,896,342.38
  5. Step 5: Solve for x
    x = 663,351,896,342.38/940,707.48
  6. Step 6: Final answer
    x = 705,162.77

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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.