Home / 1,183,118.40-1,771,567.20-865,857.60

Finding the Fourth Proportional to 1,183,118.40, 1,771,567.20 and 865,857.60

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Solution

The fourth proportional to 1,183,118.40, 1,771,567.20 and 865,857.60 is: 1,296,510.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,118.40 : 1,771,567.20 = 865,857.60 : x
  2. Step 2: Convert to fraction form
    1,183,118.40/1,771,567.20 = 865,857.60/x
  3. Step 3: Cross multiply
    1,183,118.40x = 1,771,567.20 × 865,857.60
  4. Step 4: Simplify right side
    1,183,118.40x = 1,533,924,924,030.72
  5. Step 5: Solve for x
    x = 1,533,924,924,030.72/1,183,118.40
  6. Step 6: Final answer
    x = 1,296,510.07

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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.