Home / 1,005,565.27-1,387,651.14-570,022.87

Finding the Fourth Proportional to 1,005,565.27, 1,387,651.14 and 570,022.87

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Solution

The fourth proportional to 1,005,565.27, 1,387,651.14 and 570,022.87 is: 786,615.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,565.27 : 1,387,651.14 = 570,022.87 : x
  2. Step 2: Convert to fraction form
    1,005,565.27/1,387,651.14 = 570,022.87/x
  3. Step 3: Cross multiply
    1,005,565.27x = 1,387,651.14 × 570,022.87
  4. Step 4: Simplify right side
    1,005,565.27x = 790,992,885,381.57
  5. Step 5: Solve for x
    x = 790,992,885,381.57/1,005,565.27
  6. Step 6: Final answer
    x = 786,615.16

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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.