Home / 1,070,681.78-1,477,582.20-587,267.30

Finding the Fourth Proportional to 1,070,681.78, 1,477,582.20 and 587,267.30

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Solution

The fourth proportional to 1,070,681.78, 1,477,582.20 and 587,267.30 is: 810,451.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,681.78 : 1,477,582.20 = 587,267.30 : x
  2. Step 2: Convert to fraction form
    1,070,681.78/1,477,582.20 = 587,267.30/x
  3. Step 3: Cross multiply
    1,070,681.78x = 1,477,582.20 × 587,267.30
  4. Step 4: Simplify right side
    1,070,681.78x = 867,735,709,122.06
  5. Step 5: Solve for x
    x = 867,735,709,122.06/1,070,681.78
  6. Step 6: Final answer
    x = 810,451.55

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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.