Home / 1,686,841.76-2,327,875.24-922,911.72

Finding the Fourth Proportional to 1,686,841.76, 2,327,875.24 and 922,911.72

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Solution

The fourth proportional to 1,686,841.76, 2,327,875.24 and 922,911.72 is: 1,273,636.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,841.76 : 2,327,875.24 = 922,911.72 : x
  2. Step 2: Convert to fraction form
    1,686,841.76/2,327,875.24 = 922,911.72/x
  3. Step 3: Cross multiply
    1,686,841.76x = 2,327,875.24 × 922,911.72
  4. Step 4: Simplify right side
    1,686,841.76x = 2,148,423,341,693.81
  5. Step 5: Solve for x
    x = 2,148,423,341,693.81/1,686,841.76
  6. Step 6: Final answer
    x = 1,273,636.56

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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.