Home / 1,077,709.60-1,616,564.40-657,805.60

Finding the Fourth Proportional to 1,077,709.60, 1,616,564.40 and 657,805.60

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Solution

The fourth proportional to 1,077,709.60, 1,616,564.40 and 657,805.60 is: 986,708.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,709.60 : 1,616,564.40 = 657,805.60 : x
  2. Step 2: Convert to fraction form
    1,077,709.60/1,616,564.40 = 657,805.60/x
  3. Step 3: Cross multiply
    1,077,709.60x = 1,616,564.40 × 657,805.60
  4. Step 4: Simplify right side
    1,077,709.60x = 1,063,385,115,080.64
  5. Step 5: Solve for x
    x = 1,063,385,115,080.64/1,077,709.60
  6. Step 6: Final answer
    x = 986,708.40

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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.