Home / 825,833.86-1,140,051.33-553,802.45

Finding the Fourth Proportional to 825,833.86, 1,140,051.33 and 553,802.45

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Solution

The fourth proportional to 825,833.86, 1,140,051.33 and 553,802.45 is: 764,516.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,833.86 : 1,140,051.33 = 553,802.45 : x
  2. Step 2: Convert to fraction form
    825,833.86/1,140,051.33 = 553,802.45/x
  3. Step 3: Cross multiply
    825,833.86x = 1,140,051.33 × 553,802.45
  4. Step 4: Simplify right side
    825,833.86x = 631,363,213,979.50
  5. Step 5: Solve for x
    x = 631,363,213,979.50/825,833.86
  6. Step 6: Final answer
    x = 764,516.02

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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.