Home / 1,590,813.60-2,195,345.88-865,682.16

Finding the Fourth Proportional to 1,590,813.60, 2,195,345.88 and 865,682.16

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Solution

The fourth proportional to 1,590,813.60, 2,195,345.88 and 865,682.16 is: 1,194,653.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,813.60 : 2,195,345.88 = 865,682.16 : x
  2. Step 2: Convert to fraction form
    1,590,813.60/2,195,345.88 = 865,682.16/x
  3. Step 3: Cross multiply
    1,590,813.60x = 2,195,345.88 × 865,682.16
  4. Step 4: Simplify right side
    1,590,813.60x = 1,900,471,763,345.50
  5. Step 5: Solve for x
    x = 1,900,471,763,345.50/1,590,813.60
  6. Step 6: Final answer
    x = 1,194,653.96

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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.