Home / 860,177.90-1,289,100.45-575,057.90

Finding the Fourth Proportional to 860,177.90, 1,289,100.45 and 575,057.90

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Solution

The fourth proportional to 860,177.90, 1,289,100.45 and 575,057.90 is: 861,807.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,177.90 : 1,289,100.45 = 575,057.90 : x
  2. Step 2: Convert to fraction form
    860,177.90/1,289,100.45 = 575,057.90/x
  3. Step 3: Cross multiply
    860,177.90x = 1,289,100.45 × 575,057.90
  4. Step 4: Simplify right side
    860,177.90x = 741,307,397,666.06
  5. Step 5: Solve for x
    x = 741,307,397,666.06/860,177.90
  6. Step 6: Final answer
    x = 861,807.07

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1.5x scale

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.