Home / 1,282,556.16-1,769,979.60-709,587

Finding the Fourth Proportional to 1,282,556.16, 1,769,979.60 and 709,587

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Solution

The fourth proportional to 1,282,556.16, 1,769,979.60 and 709,587 is: 979,258.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,556.16 : 1,769,979.60 = 709,587 : x
  2. Step 2: Convert to fraction form
    1,282,556.16/1,769,979.60 = 709,587/x
  3. Step 3: Cross multiply
    1,282,556.16x = 1,769,979.60 × 709,587
  4. Step 4: Simplify right side
    1,282,556.16x = 1,255,954,514,425.20
  5. Step 5: Solve for x
    x = 1,255,954,514,425.20/1,282,556.16
  6. Step 6: Final answer
    x = 979,258.88

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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.