Home / 1,217,423.59-1,680,582.64-727,565.92

Finding the Fourth Proportional to 1,217,423.59, 1,680,582.64 and 727,565.92

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Solution

The fourth proportional to 1,217,423.59, 1,680,582.64 and 727,565.92 is: 1,004,362.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,423.59 : 1,680,582.64 = 727,565.92 : x
  2. Step 2: Convert to fraction form
    1,217,423.59/1,680,582.64 = 727,565.92/x
  3. Step 3: Cross multiply
    1,217,423.59x = 1,680,582.64 × 727,565.92
  4. Step 4: Simplify right side
    1,217,423.59x = 1,222,734,654,607.63
  5. Step 5: Solve for x
    x = 1,222,734,654,607.63/1,217,423.59
  6. Step 6: Final answer
    x = 1,004,362.54

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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.