Home / 912,005.70-1,368,008.55-817,527.30

Finding the Fourth Proportional to 912,005.70, 1,368,008.55 and 817,527.30

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Solution

The fourth proportional to 912,005.70, 1,368,008.55 and 817,527.30 is: 1,226,290.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,005.70 : 1,368,008.55 = 817,527.30 : x
  2. Step 2: Convert to fraction form
    912,005.70/1,368,008.55 = 817,527.30/x
  3. Step 3: Cross multiply
    912,005.70x = 1,368,008.55 × 817,527.30
  4. Step 4: Simplify right side
    912,005.70x = 1,118,384,336,258.42
  5. Step 5: Solve for x
    x = 1,118,384,336,258.42/912,005.70
  6. Step 6: Final answer
    x = 1,226,290.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.