Home / 1,047,513.60-1,445,757.12-617,768.64

Finding the Fourth Proportional to 1,047,513.60, 1,445,757.12 and 617,768.64

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Solution

The fourth proportional to 1,047,513.60, 1,445,757.12 and 617,768.64 is: 852,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,513.60 : 1,445,757.12 = 617,768.64 : x
  2. Step 2: Convert to fraction form
    1,047,513.60/1,445,757.12 = 617,768.64/x
  3. Step 3: Cross multiply
    1,047,513.60x = 1,445,757.12 × 617,768.64
  4. Step 4: Simplify right side
    1,047,513.60x = 893,143,409,792.72
  5. Step 5: Solve for x
    x = 893,143,409,792.72/1,047,513.60
  6. Step 6: Final answer
    x = 852,631.80

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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.