Home / 966,421.60-1,449,632.40-817,122.40

Finding the Fourth Proportional to 966,421.60, 1,449,632.40 and 817,122.40

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Solution

The fourth proportional to 966,421.60, 1,449,632.40 and 817,122.40 is: 1,225,683.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,421.60 : 1,449,632.40 = 817,122.40 : x
  2. Step 2: Convert to fraction form
    966,421.60/1,449,632.40 = 817,122.40/x
  3. Step 3: Cross multiply
    966,421.60x = 1,449,632.40 × 817,122.40
  4. Step 4: Simplify right side
    966,421.60x = 1,184,527,105,805.76
  5. Step 5: Solve for x
    x = 1,184,527,105,805.76/966,421.60
  6. Step 6: Final answer
    x = 1,225,683.60

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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.